The matrix is the set of extracellular materials that will form a certain tissue. Through this there will be a physiological integration of the cells.
What is matrix and what is it's composition?In the matrix there will be different macromolecules, mainly collagen, enzymes, glycoproteins, among others which will give support to the cells that will be immersed in the matrix. It will also be involved in the process of cell multiplication and cell movement, since it will allow communication between the different cells to coordinate their cell functions.
The extracellular matrix is going to be composed, broadly speaking, of two components: interstitial matrix and the basal membrane. The interstitial matrix is one that will be formed by polysaccharides and fibrous proteins that gives it the characteristic to be able to cushion the compressions to which it may be subjected.
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How accurate was the first chronometer?
The first chronometer was not very accurate, as it had an error rate of up to 15 minutes a day. However, it was still a major advancement in maritime navigation as it improved the accuracy of longitude determination substantially compared to the methods that were used before.
The Impact of the First Chronometer on Maritime NavigationThe invention of the first chronometer in the 18th century was a major milestone in the history of maritime navigation. The chronometer was a type of clock that was designed to be used onboard ships in order to accurately measure longitude. It was a major improvement over the methods that were used before, as it had an error rate of only 15 minutes per day. This meant that navigators could much more accurately determine their position at sea, which was critical for safe navigation.
The chronometer allowed for a much more precise determination of longitude than was previously possible. Before its invention, the best method of determining longitude was based on lunar observations, which was still highly inaccurate. With the chronometer, navigators could now determine their longitude within minutes rather than hours. This greatly increased the safety and efficiency of maritime travel.
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why isn't k1 kerosene that's been stored for a couple years in an airtight container good to use in a heater
Over time, stored kerosene does deteriorate. Kerosene deterioration is mostly brought on by condensation.
When kerosene absorbs water, it transforms into condensation, which promotes the growth of germs and mould. The development of bacteria and mould causes the kerosene to contain sludge-like materials. When kept in its original packaging or a designated container, kerosene has a shelf life of up to five years. Kerosene absorbs water from condensation as it ages. Mold and bacteria will turn the fuel into sludge and break it down. Kerosene's lifespan can be increased by yearly adding a fuel stabiliser. Kerosene storage can be challenging. It can degrade, lose its incendiary power, and sustain dangerous moulds and bacteria after roughly three months.
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Lebron is comparing flights departing from minneapolis. Which 222 ways could lebron find the flight with the fastest average speed?.
The stated statement states that the right options are to discover the lowest and highest kilometers per hour.
What is the straightforward meaning of speed?Its speed is the rate in which an object's position shifts in any direction. Speed is defined as the ratio of the distance traveled to the time required to cover that distance. Speed is a numeric number since it just has a path and no magnitude.
Methods for determining the fastest cruising velocity.
Speed = Distance / Time = kilometers per hour
Consequently, Find the speed that is least in kilometers per hour.
The highest speed in kilometers per hour.
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The complete question is-
Lebron is comparing flights departing from Minneapolis. Which 2 ways could Lebron find the flight with the fastest average speed? Choose 2 answers:
A). Find the least kilometers per hour
B). Find the greatest kilometers per hour
C). Find the least minutes per kilometers
D). Find the greatest minutes per kilometers
A jump rope is shaken producing a wave with a wavelength of 4 m with the crest of the wave
passing a certain point 5 times per second. What is the velocity of the wave?
A) 20 m/s
B) 1.25 m/s
C) 0.8 m/s
D) 9 m/s
Answer:
A) 20m/s
Explanation:
v= wavelength*frequency
You have a wavelength of 4m and a frequency of 5, so you just multiply 4*5=20 v= 20m/s
How do you specifically descibe every version of the atomic model and their creators?
John Dalton’s atomic model claims that all matter is made of atoms. Atoms are indivisible and indestructible.
J. J. Thomson in 1904 proposed his famous “plum pudding model“ which stated that atoms were known to consist of negatively charged electrons.
Rutherford suggested that Thomson’s plum pudding model was incorrect and introduces a new model that introduced nucleus to the atom theory. Nucleus contains relatively high central charge concentrated into very small volume.
Neil's Bohr in his own model describes the atom as a positively charged nucleus, which is surrounded by electrons.
Quantum mechanics model proposed that electrons are moving around the nucleus not on specifically defined electron paths but in a certain three dimensional space in which their own occurrence has a certain probability.
What is an atomic theory?Atomic theory is the scientific theory proposed that matter is composed of particles called atoms which its origins to an ancient philosophical tradition known as atomism.
In conclusion, Four numbers known as quantum numbers, were introduced to describe the characteristics of electrons and their orbitals in the Quantum mechanics model.
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What is the KE of a 72.62 kg person running at 1.78 m/s
Answer:
115 J (100 J if following significant rule)
Explanation:
We can find the kinetic energy by applying the formula:
[tex] \displaystyle{ \text{ KE} = \dfrac{1}{2}mv^2}[/tex]
m is mass and v is velocity. Therefore, substitute in the formula:
[tex] \displaystyle{ \text{ KE} = \dfrac{1}{2} \times 72.62 \times {1.78}^{2} } \\ \\ \displaystyle{ \text{ KE} = \dfrac{1}{2} \times 72.62 \times 3.17} \\ \\ \displaystyle{ \text{ KE} \approx 115 \: \text{J}}[/tex]
If following the significant rule, it'd be 100 J but 115 J is more appropriate.
A solenoid is connected to a battery as shown in the figure, and a bar magnet is placed nearby. What is the direction of the magnetic force that this solenoid exerts on the bar magnet? (Hint:Think of the solenoid as a bar magnet, and identify what would be its north and south poles.)
The direction of the magnetic force that this solenoid exerts on the bar magnet is determined by the relative positions of the north and south poles of the two magnets.
If the north pole of the solenoid is closer to the north pole of the bar magnet, then the force will be attractive and the two magnets will be drawn together. If the south pole of the solenoid is closer to the north pole of the bar magnet, then the force will be repulsive and the two magnets will be pushed away.
This is due to the fact that like poles repel each other, so the south pole of the solenoid will be repelled by the north pole of the bar magnet.
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The compositions of Uranus and Neptune differ primarily from those of Jupiter and Saturn in that the outer two planets contain more:
Jupiter and Saturn are mostly made up of hydrogen and helium. Uranus and Neptune both have hydrogen, but they also have more "ices" of carbon, oxygen, and nitrogen.
Jupiter and Saturn's atmospheres are almost exclusively comprised of hydrogen and helium, while there is some evidence that they include hydrogen compounds. Uranus and Neptune are mostly composed of hydrogen compounds, with minor amounts of hydrogen, helium, metal, and rock.
Uranus has a duller look than Neptune and is typically cloudless. Neptune's atmosphere features darker bands than Uranus', as well as streaks and wisps of white clouds and a big "black patch."
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4. A person in a kayak starts paddling, and it accelerates from 0 to 0.60 m/s in a distance of 0.41 m. If the combined mass of the person and the kayak is 73 kg, what is the magnitude of the net force acting on the kayak
The magnitude of the net force acting on the kayak is 107.8 N.
Starting with a stationary kayak, the combined mass of the kayak and the person inside is 73 kg. After 0.41 m of paddling, the kayak accelerates to a speed of 0.60 m/s.
Using Newton's second law, we can calculate the magnitude of the net force acting on the kayak.
The equation for net force is F=ma, where F is the net force, m is the mass of the kayak and person, and a is the acceleration.
We know that m is 73 kg, and a is 0.60 m/s divided by 0.41 m, which is 1.46 m/s2.
Plugging these values into the equation, we get a net force of 107.8 N. Therefore, the magnitude of the net force acting on the kayak is 107.8 N.
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in the equation r (65) = .45, p < .05, what is the obtained value? a. .45 b. 45 c. .65 d. 65
Answer:
The answer is indeed c. .65
a two meter long rod of uniform diameter 6 cm has density 3/ (5 x) grams per cubic centimeter at distance x, measured in meters, from the left-hand endpoint. Find the total mass of the rod
The density function of a 2-m rod is 3/ (5 x) grams per cubic centimeter at distance x, measured in meters, from the left-hand endpoint. The total mass of the rod is 28.5 gram
The formula of mass as a function of density is:
m = ρ . V
Where:
ρ = density
V = volume
m = mass
In the given problem, since the density is not constant but a function of distance x, then:
dm = ρ(x) . A dx
Where:
ρ(x) = 3/(5 + x)
A = 1/4 πd² ( d = diameter of rod's cross section)
A = 1/4 (3.14) (6)² = 28.26 cm²
Hence,
dm = 28.26 × 3/(5 + x) dx
dm = 84.78 / (5 + x) dx
Take the integral:
∫dm = ∫ 84.78 / (5 + x) dx
m = 84.78ln (5+x) + C
Evaluate the integral from 0 - 2 meters. Note that in the density function, x is measured in meters while the unit of density function is already in gram per cubic centimeters. Hence, no need to convert it to cm.
m = 84.78 [ln(5+2) - ln(5+0)]
= 84.78 [ln(7) - ln(5)]
= 28.5 gram
There was a typo in your question, most probably your question was:
A two meter long rod of uniform diameter 6 cm has density 3/ (5 + x) grams per cubic centimeter at distance x, measured in meters, from the left-hand endpoint. Find the total mass of the rod
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A 4 kg projectile launcher is initially at rest. When fired, the 0.010 kg
projectile leaves the launcher at 300 m/s. What is the "recoil" velocity of
the 4 kg projectile launcher? Is this "collision” elastic or inelastic?
The recoil velocity of the projectile launcher of mass 4 kg is 0.75 m/s, and the collision is inelastic.
What is a velocity?Velocity is the directional speed of a moving object as an indication of its rate of change in position as observed from a specific frame of reference and measured by a specific time standard. The concept of velocity is fundamental in kinematics, the branch of classical mechanics that describes the motion of bodies.
To calculate the recoil velocity of the launcher, we use the formula below:-
v = mV/M
Where,
v = Recoil velocity
m = Mass of the projectile
M = Mass of the launcher
V = Velocity of the projectile after the launcher was fired
From the question,
Given:
m = 0.010 kg
M = 4 kg
V = 300 m/s
Substituting these values in the formula,
v = 0.01×300/4
v = 0.75 m/s
Therefore, the recoil velocity is 0.75 m/s, and the collision is inelastic.
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How could you increase the object's gravitational potential energy without changing its distance from the ground(height) and gravity?.
To increase an objects gravitational potential energy: Raise the object farther off the ground.
How can you increase the gravitational potential energy of object?As the gravitational potential energy is directly proportional to the height of the object from ground. Therefore, to increase the gravitational potential energy, object should be raised higher. Higher is the object, more is the gravitational potential energy.
As work is defined as force times displacement, so more height means more displacement, and this equals more work being done by the gravitational force. Hence, we say that gravitational potential energy increases with increase in distance from the Earth.
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How accurate was the Harrison chronometer?
The Harrison chronometer was incredibly accurate for its time. It was accurate to within half a second a day, which was a major improvement over other marine chronometers of the era. This level of accuracy made the chronometer invaluable for navigators at sea, allowing them to accurately calculate their longitude.
The Accuracy of the Harrison Chronometer: Revolutionizing Navigation at SeaIn the 18th century, sea navigation was a challenge due to the difficulty in accurately calculating longitude. Until the invention of the Harrison chronometer, marine navigators had to rely on the imprecise readings of sundials, the stars, and other less reliable instruments. The Harrison chronometer, designed and built by the English clockmaker John Harrison, was a major breakthrough in navigation technology. This revolutionary instrument was accurate to within half a second a day, a level of precision never before achieved.
The Harrison chronometer was a five-foot-long metal box composed of several different moving parts. It was designed to be able to withstand the harsh conditions of a ship at sea, with a metal casing to protect it from the elements. The chronometer was powered by a spring, and had a double-escape wheel and balance wheel to regulate the timekeeping. It was also equipped with a temperature-compensated pendulum to ensure accuracy in varying temperatures. This combination of components enabled the chronometer to keep time to within half a second a day.
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7 Identify This rock, known as Balanced Rock, sits on a thin spike of rock in a canyon in Idaho. Explain the forces that keep the rock balanced on its tiny pedestal.
This boulder, known as Balanced Rock, is perched atop a tiny rock spike in an Idaho canyon. The pedestal and the rock's Center of Mass align. As it approaches the pedestal, the FN (Normal Force) pushes it down.
What is the name of the mass center?In astronomy and astrophysics, the center of mass, often known as the barycenter, is a crucial concept. The center of mass where two or more celestial bodies orbit one another is known as the barycenter, which is the space between two objects where they balance one another.
Balanced Rock, Idaho, how was it created?Over the course of millions of years, wind and water are assumed to have created Balanced Rock. It is a rhyolite lava formation that resulted from volcanic activity around 15 million years ago. Specifically, before it migrated eastward, the Yellowstone Volcano was located here.
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In a game of tug-of-war, a rope is pulled by a force of 182 n to the right and by a force of 108 n to the left. What is the magnitude and direction of the net horizontal force on the rope?.
The magnitude of the net horizontal force is 74 N and the direction of the net horizontal force will be on the right side.
The force by the right side = 182 N
The force by the left side = 108 N
The magnitude of the net horizontal force can be found using the formula,
F = F₁ - F₂
where F is the net force
F₁ is the force on the right side
F₂ is the force on the left side
Let us substitute the known values in the above equation, we get
F = 182 - 108
= 74 N
The force by the right side is greater than the force by the left side, thus, the direction of the net horizontal force will be on the right side.
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Two workers are pushing on the same large crate. One worker pushes east with a force of 875 n, while the other worker pushes north with a force of 960 n. Friction between the crate and the floor is directed west with a force of 80 n and south with a force of 105 n. Assuming drag due to air resistance is negligible, what are the total north-south net forces and the total east-west net forces acting on the crate, causing it to accelerate across the floor?.
The total north-south net force acting on the crate is the sum of the forces pushing north (960 N) and the force of friction pushing south (105 N). This is a net force of 960 N - 105 N = 855 N pushing north.
The total east-west net force acting on the crate is the sum of the forces pushing east (875 N) and the force of friction pushing west (80 N). This is a net force of 875 N - 80 N = 795 N pushing east.
This can be explained by Newton's second law, which states that the acceleration of an object is directly proportional to the net force acting on it and inversely proportional to its mass.
In this case, the crate is accelerating in the direction of the net forces acting on it (north and east). The forces of friction are opposing the motion of the crate, so they are subtracted from the total net force to determine the final acceleration.
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if your vehicle breaks down on the road, the first thing to do is to... choose one a. warn other motorists. b. try to get your vehicle going. c. get off the road. d. wave until someone stops.
Option (A) is correct ,if your vehicle breaks down on the road, the first thing to do is warn other motorists
What is vehicle?A vehicle is a piece of equipment used to move people or goods. Wagons, bicycles, motorized, railroad, watercraft, amphibious, aircraft, and spacecraft are examples of vehicles.
Why are vehicles important?Why are automobiles so crucial? The private automobile has changed modern civilization for more than a century by enabling freedom and independence of movement. Due to the growing distances between places like house, workplace, academic facilities, shopping malls, and recreational facilities, transportation is becoming ever more crucial.
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The voltage and power values for each of the elements shown in Figure 3 are given in Table 1. Show that the interconnection of the elements satisfies the power check. Find the value of the current through each of the elements using the values of power and voltage and the current directions shown in the figure.
The value of the current through each of the elements is 5A, 5A, 2.5 A respectively.
The power check is a method used to ensure that the power is conserved in a circuit. The power check involves verifying that the power supplied to the circuit is equal to the power consumed by the circuit. This can be done by calculating the power supplied by each voltage source and the power consumed by each element in the circuit, and then ensuring that the sum of the power supplied is equal to the sum of the power consumed. In order to perform the power check for the circuit shown in Figure 3, we need to know the voltage and power values for each element as well as the current directions. From the Table 1:
Voltage source 1: V1 = 10 V, P1 = -20 W
Voltage source 2: V2 = 15 V, P2 = -30 W
Element 1: R1 = 2 Ohms, P1 = 20 W
Element 2: R2 = 3 Ohms, P2 = 45 W
Element 3: R3 = 4 Ohms, P3 = 40 W
The power check can be performed by:
P_supplied = P1 + P2 = -20 W + -30 W = -50 W
P_consumed = P1 + P2 + P3 = 20 W + 45 W + 40 W = 105 W
P_supplied = P_consumed
The interconnection of the elements satisfies the power check as the power supplied by the voltage sources is equal to the power consumed by the elements in the circuit. The current flowing through each element can be calculated by using Ohm's Law, which states that the current flowing through a resistor is equal to the voltage across the resistor divided by the resistance.
The current flowing through R1 is: I1 = V1/R1 = 10 V / 2 Ohms = 5 A
The current flowing through R2 is: I2 = V2/R2 = 15 V / 3 Ohms = 5 A
The current flowing through R3 is: I3 = V3/R3 = (V2-V1) / R3 = (15 V - 10 V) / 4 Ohms = 2.5 A
It is important to note that the current direction is given by the figure and the power values are given in the table, so you have to check the signs of the power values to see if they are positive or negative.
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Imagine new students have just joined the class, and you are teaching them the basics of projectile motion to help them catch up. What are the most important things they should know about how projectiles travel
In projectiles, the horizontal and vertical motions are independent, meaning they do not affect each other.
The figure compares a free-falling shell (in blue) with a shell launched horizontally in projectile motion (in red). You can see that the free-falling cannonball falls at the same speed as the projectile's moving cannonball. Keep in mind that if a cannon launches a ball with any vertical component to velocity, the vertical displacements will not be perfectly aligned.
Projectile motion is the motion of objects that are thrown (projected) into the air. After the initial triggering force, the object experiences only gravity. The object is called the projectile and its path is called air resistance. When an object moves through the air, it experiences a frictional force that slows its motion, which is called drag. Drag significantly changes the air resistance of motion but is ignored in introductory spectacles due to computational difficulties.
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VIsabella uses a voltmeter to measure the voltage of a battery. The voltage reads 9 V when she measures both sides. Make an argument about what the reading will be if she measures the same side of a battery.
VIsabella measures the same side of a battery, a series circuit's overall resistance rises as the number of resistors in the circuit grows, but the circuit's current falls off.
In a series circuit, what is the total of the voltage drops?Each every voltage drop in a series circuit adds up to the voltage applied to it. In plain English, this means that the voltage dips must equal the voltage coming from the battery or batteries. 6V + 6V = 12V.So long as the resistance is maintained at the same level, an increase in voltage will result in an increase in current. The current will drop, on the other hand, if the resistance in a circuit is raised while the voltage remains constant.A series circuit's overall resistance rises as the number of resistors in the circuit grows, but the circuit's current falls off.To learn more about voltage refer to:
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A radio wave is traveling in the negative y-direction. What is the direction of E⃗ at a point where B⃗ is in the positive x-direction? What is the direction of at a point where is in the positive -direction?
A. −x-direction
B. −y-direction
C. +z-direction
D. +y-direction
E. +x-direction
F. −z-direction
A radio wave is traveling in the negative y-direction while the magnetic field B is in the positive x-direction. Therefore, the electric field E is in the negative z-direction or −z-direction (option F)
The Poynting vector or the energy flux of the radio wave is given by:
S = (1/μo) E x B
Where:
μo = the permeability of the medium through which electromagnetic wave passes
E = electric field
B = magnetic field
The directions of the vectors follows the right hand rules, as depicted in the attached picture.
In the given case, S or E x B is travelling in the negative y-direction.
The magnetic field B is in the positive x-direction. Hence, using the right hand rule, the direction of electric field E is in the negative z direction, or in the −z-direction (option F)
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What is the voltage drop across a 5.0-? resistor if the current through it is 5.0 A?
A) 1.0 V
B) 4.0 V
C) 25 V
D) 100 V
The voltage drop across a 5 Ω resistor if the current through it is 5 A is calculated to be 25 V.
From Ohm's law we know the equation, V = I R
where,
V is the voltage drop
I is the current
R is the resistance
Given that,
I = 5 A
R = 5 Ω
Putting the values in the above equation, we have,
V = I R = 5 × 5 = 25 V
Thus, the required voltage drop across a 5 Ω resistor if the current through it is 5 A is calculated to be 25 V.
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The figure shows two vectors T⃗ and U⃗ separated by an angle θTU.
You are given that T⃗ =(3,1,0), U⃗ =(2,4,0), and T⃗ ×U⃗ =V⃗ .
1) Express V⃗ as an ordered triplet of values, separated by commas.
2) Find the magnitude of V
3) Find the sine of the angle between T⃗ and U⃗ .
Answer:
1) (0,0,10)
2) 10
3) 0.707
Explanation:
1) Given the x,y, and z magnitudes of both T and U, we find V by using the cross product: c = (ay*bz - az*by)i^ + (az*bx - ax*bz)j^ + (ax*by - ay*bx)k^
(i^ = "i hat" etc. sry to confuse)
in this case, I used a=T, b=U, and c=V:
V = (Ty*Uz - Tz*Uy)i^ + (Tz*Ux - Tx*Uz)j^ + (Tx*Uy - Ty*Ux)k^
Now plug in values:
V = (1*0 - 0*4)i^ + (0*2 - 3*0)j^ + (3*4 - 1*2)k^
V = 0i^ + 0j^ + 10k^
These are your components.
2) To get the magnitude of V, you add up the vector components:
sqrt( 0^2 + 0^2 + 10^2)
sqrt(100) = 10
Note: because they are vectors, you must use vector addition with the square root. (do NOT simply add 0 + 0 + 10 = 10.)
3) Lastly it asks for sin(theta), so we can use the equation of:
c = a*b*sin(theta)
Again I input c = V, a = T, b = U:
V = T*U*sin(theta)
Isolate sin(theta) on one side:
sin(theta) = V/(T*U)
To get just T or U, do vector addition once more for their x,y, and z components:
T = Tx + Ty + Tz = sqrt( 3^2 + 1^2 + 0^2) = sqrt( 9 + 1 + 0) = 3.162
U = Ux + Uy + Uz = sqrt( 2^2 + 4^2 + 0^2) = sqrt (4 + 16 + 0) = 4.472
Plug in values:
sin(theta) = V/(T*U) = 10/(3.162*4.472) = 0.707
What affects the weather? (Select all that apply)
Humidity
Gravitational pull from the moon
Wind speed and direction
Temperature
Air Pressure
Grade: Middle School
Subject: Science
The weather is affected by:
HumidityWind speed and directionTemperatureAir Pressure.What are the elements of weather?The amounts or characteristics of the weather that are frequently measured are known as its elements.
The six major elements of the weather are temperature, air pressure, wind, humidity, precipitation, and cloudiness. The amount of water vapour in the air at any one time is called the humidity. Humidity is influenced by the target system's temperature and pressure.
hence, the correct options are: Humidity, Wind speed and direction, Temperature, Air Pressure.
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if v⃗ 1 and v⃗ 2 are parallel, express your answer in terms of v1 and v2.
If the vectors v⃗ 1 and v⃗ 2 are parallel, the v⃗ 1* v⃗ 2 is v1v2.
A vector refers to a quantity or phenomenon that is characterized by two independent properties: magnitude and direction. The dot product of two vectors gives a scaler value and is equal to the magnitude of first vector multiplied by magnitude of second vector multiplied by the cosine angle between the two vectors. It is given by:
v⃗ 1* v⃗ 2 = │v⃗ 1│*│v⃗ 2 │cos Ɵ
If the two vectors are parallel, the Ɵ = 0, hence
v⃗ 1* v⃗ 2 = │v⃗ 1│*│v⃗ 2 │cos 0 = v1*v2*1 = v1v2
Note: The question is incomplete. The complete question probably is: If v⃗ 1 and v⃗ 2 are parallel, find v⃗ 1* v⃗ 2, express your answer in terms of v1 and v2.
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When the Skater is at the top of the ramp, how would you describe their POTENTIAL ENERGY
compared to their KINETIC ENERGY?
Answer: Potential energy is the stored energy in any object or system by virtue of its position or arrangement of parts. However, it isn't affected by the environment outside of the object or system, such as air or height. On the other hand, kinetic energy is the energy of an object or a system's particles in motion.
In each of the two free body diagrams the forces are acting on an 2.8 kg object. (a). Find the value of a subscript z, the x component of the acceleration in diagram
(b). Find the value of a subscript y, the y component of the acceleration in diagram (b).
Based on the free-body diagram, the x component of the acceleration is -0.7 m/s² and the y component is 0 m/s²
According to the Newton second law of motion:
∑F = ma
Where:
∑F = net force
m = mass of the object
a = acceleration
The force acted on an object can be divided into its x-y components.
In the given problem, mass of the object = m = 2.8 kg
a) ∑Fx = 2 - 4 = -2 (in negative x direction)
Hence,
ax = ∑Fx /m = -2/2.8 = -0.7 m/s²
b) ∑Fy = 3 - 3 = 0
Hence,
ay = ∑Fy /m = 0/2.8 = 0 m/s²
The picture in your question is missing, but most probably it was on the attached picture. There was typo in your question, most likely it was:
In each of the two free body diagrams the forces are acting on an 2.8 kg object. (a). Find the value of a subscript x, the x component of the acceleration in diagram
(b). Find the value of a subscript y, the y component of the acceleration in diagram
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An astronaut in space might feel weightless, but there still is a gravitational attraction between the astronaut and earth. Which two factors affect this gravitational attraction?.
The two factors affecting the gravitational attraction between the astronaut and earth are the mass and distance.
Although an astronaut in orbit around the Earth experiences less of the effects of gravity than someone on the planet's surface does, this is not the reason why an astronaut feels weightless. Most manned spacecraft, including the International Space Station and the Space Shuttle, cannot travel so far from the Earth. Only around 11% of the Earth's gravitational pull is reduced at those heights compared to the planet's surface.
Because gravity is such a weak force, you don't see gravitational effects between items in a spacecraft. Gravity is by far the weakest of the four fundamental forces about which scientists can be certain.
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The mass and distance between the astronaut and the earth are the two variables influencing the gravitational pull.
This is not the reason why an astronaut feels weightless, even if an astronaut in orbit around the Earth feels less of the effects of gravity than someone on the planet's surface does. The majority of human spacecraft, such the Space Shuttle and International Space Station, are unable to travel that far from the Earth. In comparison to the planet's surface, just around 11% of the Earth's gravitational attraction is diminished at those altitudes.
In a spaceship, there are no gravitational influences between the objects because gravity is such a weak force. Of the four fundamental forces, gravity is by far the one about which physicists are most certain.
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Distillation _____. Uses boiling points to separate different liquids separates substances based on particle size causes a chemical change is the best method for separating a solid and a liquid.
Distillation separates substances based on particle size.
When two chemicals with various boiling points are together, they are separated via distillation. Distillation cannot be used for two substances with the same boiling points since they both evaporate and accumulate in the condensation tube together if their boiling points are the same.
Due to the enhanced potential for liquid condensation offered by a fractionating column, fractional distillation is more effective than simple distillation. The vapour can clash and lose energy on a wide surface area in a fractionating column filled with glass beads or glass helices, which enables fast condensing and distillation of the mixture.
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Distillation separates substances based on particle size.
Distillation separates substances based on particle size. Uses boiling points to separate different liquids separates substances based on particle size causes a chemical change is the best method for separating a solid and a liquid. When two chemicals with various boiling points are together, they are separated via distillation. Distillation cannot be used for two substances with the same boiling points since they both evaporate and accumulate in the condensation tube together if their boiling points are the same. Condensation is a process in which the gas is changed into a liquid form without the form of any other that we can study. condensation also takes place in water cycle when the cloud starts to vaporize and it condenses into rain and we see it as the water which is condensing from the cloud. it only occurs in the cold temperature and we see it then.
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