Saturn cannot transit (i.e. pass in front of) the Sun as seen from Jupiter.
The planet Saturn is the celestial object that, when viewed from Jupiter, cannot transit or pass in front of the Sun. Mercury, Venus, Earth, and Mars are the planets with the smallest orbits, whereas Jupiter is the fifth planet from the Sun. This indicates that occasionally, the orbits of the aforementioned planets pass between Jupiter and the Sun. Saturn, the sixth planet from the Sun, usually travels in an orbit that is greater than Jupiter because of its larger orbit. Saturn's orbit does not intersect Jupiter's orbit and will never be between Jupiter and the Sun, in contrast to Pluto, whose extremely elliptical orbit occasionally places it inside Neptune's orbit.
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a bolt has a stuck nut that requires 3.50 n m of torque to turn. if a 5.00 N (tangenital) force is exerted on a wrench, how long must the wrench be to turn the nut?
The length of the wrench needed to turn the nut is 0.7 m.
What is length?Length is the distance between two points. The s.i unit of length is meter (m)
To calculate the length of the wrench needed to turn the nut, we use the formula below.
Formula:
L = T/F..................... Equation 1Where:
L = Length of the wrenchT = TorqueF = ForceFrom the question,
Given:
T = 3.5 N.mF = 5.00 NSubstitute these values into equation 1
L = 3.5/5L = 0.7 mHence, the length of the wrench is 0.7 m.
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You have an object that needs to follow a specific motion path including curves straight lines.
You can draw a specified path or a custom path using the animation.
Describe an animation.A specific issue or idea is illustrated in animation to help the audience better grasp it. Animation is a method for making still photos look to be in motion. On transparent celluloid sheets, images are physically painted or drawn, and subsequently the visuals are captured and filmed in traditional animation. After the motion is finished, a system can track it thanks to a custom path.
As a result, the animation enables you to create bespoke paths by drawing specified paths.
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A motorboat, which has a speed of 2.0 meters per second in still water, is headed east as it crosses a river flowing south at 3.3 meters per second. What is the magnitude of the boat's resultant velocity with respect to the starting point
The magnitude of the boat's resultant velocity with respect to the starting point is 6 m/sec.
Given that in the question speed of motorboat is 5 m/sec in still water in the east direction and river is flowing in south direction with speed 3.3 m/sec. Direction of river flow is perpendicular to direction of motorboat.
The velocity of an object in relation to another observer is known as its relative velocity. It is the pace at which an object's relative location changes in relation to another object over time.
Net velocity of boat with respect to the starting point,
v = √5^2 + √3.3^2
v = 6 m/sec
Hence, the magnitude of the boat's resultant velocity with respect to the starting point is 6 m/sec.
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How do you calculate work of expansion?
Calculating the Amount of Expansion Work Associated with a Volume Change at Constant Pressure.
Using the equation: ΔV = V(initial) - V(final), we can find ΔV, the change in volume in cubic meters, m³.
Note: Converting the volumes to cubic meters could be necessary.
P, the restricting pressure, should be calculated in Pascals.
Use the equation to determine the amount of work required: w = -PΔV
Note: If the volume is measured in m³, and the pressure is measured in Pascals, the work will be measured in Joules. A system's work has a negative value as it gets bigger. A system's work (as it gets smaller) has a positive value.
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We can find the work of expansion by finding the difference between the final dimensions of the piece and the initial dimensions of the object. The work of expansion can be found out by the difference in dimensions.
We can find the work of expansion by finding the difference between the final dimensions of the piece and the initial dimensions of the object. The work of expansion can be found out by the difference in dimensions. Using the equation: ΔV = V(initial) - V(final), we can find ΔV, the change in volume in cubic meters, m³. The expansion of anything or metal takes place when we inflate it or it got heat on a higher scale, then the object inflate and it will be expanded by some extent. The difference can be find out if we notice the initial dimensions and final dimensions of the object. Then we subtract the dimensions and we will get our work of expansion just by noticing the initial and final readings of any object and then by calculating we can find our desired answer.
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If someone is attempting to focus on multiple tasks at one time, it could be said that they have divided attention.Please select the best answer from the choices provided
T/F
what are the options?
A juggler throws an orange vertically into the air at . How long does it take the orange to return to the juggler's hand
The juggler throws an orange vertically in the air. it will take the same time for descend as that of it will take the time for ascend.
A juggler throws an orange vertically into the air. The time of ascend and the time for descend is same because of the gravitational field acting on it. The gravitational field acting on it will be the same for the both time of flight as it goes upward and as it coming downward and it will act on it in the same way. Hence, we will see that the orange is taking the same time as it is going upward and then it is coming downward, it will not experience any other significant force rathe than the gravitational force. rest of the forces like the air friction goes cancelled out as it will not be made a significant part on the orange. the only force that is acting on it continuously is the gravitational force. so we can consider that the juggler throws an orange vertically in the air. it will take the same time as that of it will take the time for ascend.
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A warehouse worker pushed a cart that has a mass of 4.50 kg to the top of an inclined plane with a coefficient
of friction of .45 and at an angle of 30 degrees with the floor. Initially, the cart was 0.670 m above the floor.
How much work does he do getting the cart to the top of the incline 2.4 m above the floor?
Work to be done getting the cart to the top of the incline 2.4 m above the floor is 91.16 J.
What is work?Work is the product of the displacement's magnitude and the component of force acting in that direction.
frictional force = μ N = μ mg cos 30° = 0.45 × 4.50 × 9.8 × cos 30° N = 17.19 N.
Work to be done getting the cart to the top of the incline 2.4 m above the floor =
Work done against friction + work done against gravity
= 17.19 × (2.4-0.670) × sin30° J + 4.50 × 9.8 × (2.4-0.670) J
= 91.16 J.
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A car is moving with a constant speed of 20. Meters per second. What total distance does the car travel in 2. 0 minutes?.
The total distance the car moved in 2 minutes is 2400 meters.
To calculate the total distance travelled by the car in 2 minutes, we need to first convert the time from minutes to seconds. There are 60 seconds in one minute, so 2 minutes is equal to,
2 * 60 = 120 seconds.
Next, we can use the formula for distance travelled:
d = r * t
Where d is the distance travelled, r is the rate (speed) of travel, and t is the time.
Plugging in the values we have, we get:
d = 20 m/s * 120 s = 2400 m
Therefore, the total distance travelled by the car in 2.0 minutes is 2400 meters.
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which process depends partly on the presence of short-lived radioactive elements whose rapid decay would have released enough heat to melt the interior of planets allowing the more dense materials to migrate to the center
This process depends on the presence of short-lived radioactive elements whose rapid decay released enough heat to melt the interior of planets.
What do you mean by elements?An element is a substance whose atoms all have the same number of protons: another way of saying this is that all atoms of a given element have the same number of protons. Elements are the simplest chemical forms and thus can not be broken down through chemical reactions.
WHAT IS elements and its types?The elements are classified as metal, non-metal, and metalloid. The extreme left side elements in the periodic table are metals, for example, sodium, calcium, caesium, etc. However, elements on the right side are generally referred to as non-metals, carbon, chlorine, oxygen, etc.
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push due to contact with a surface such as the ground. always acts perpendicular to the surface.
Normal force: push due to contact with a surface such as the ground. always acts perpendicular to the surface.
About Normal forceThe normal force is an everyday force that is felt when a surface pushes against an object that is placed on that surface.
For example, when a book is placed on a table, the normal force keeps the book from falling through the table. Gravity is pulling the book downward, but since the book isn't actually falling, something must be pushing it up. This force is called the normal force. The name 'normal' means perpendicular to the surface.
The normal force arises from the electromagnetic force; specifically, the electrons in the book push against the electrons in the table. Since the electrons don't want to get any closer to each other, the book stays on top of the table.
The normal force is closely related to the friction force. Both are non-conservative forces, which can be seen when a ball bounces. The ball falls; gravity pulls it down, so it speeds up, while air drag somewhat slows the fall.
When the ball hits the ground a huge normal force pushes upwards, making the ball bounce not quite as high as when it started. There is energy lost to changing the shape of the ball, which becomes thermal energy (warming the ball) and sound. The normal force can also be seen as non-conservative in the case of rolling resistance. The deformation of the tire (or wheel) means that energy is being lost to that change of shape.
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HELP!!!!
My Science teacher is absolutely no help!!
2. A baseball pitcher throws a pitch at a speed of 90 mph. The baseball has a mass of 0.15 kg and a radius of 0.03 m. Calculate the angular momentum of the baseball.
The angular momentum of the baseball, given that the baseball has a mass of 0.15 kg and a radius of 0.03 m is 0.181 Kgm²/s
How do I determine the angular momentum?Angular momentum is simply defined as the product of mass, velocity and radius as shown by the following formula:
Angular momentum = mass × velocity × radius
With the above formula, we can obtain the angular momentum of the baseball as illustrated below:
The following data were obtained from the question:
Velocity = 90 mph = 90 × 0.447 = 40.23 m/sMass = 0.15 KilogramsRadius = 0.03 mAngular momentum =?Inputting the variables into the above formula, we have:
Angular momentum = mass × velocity × radius
Angular momentum = 0.15 × 40.23 × 0.03
Angular momentum = 0.181 Kgm²/s
Thus, from the above calculation, we can conclude that the angular momentum of the baseball is 0.181 Kgm²/s
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Raindrops acquire an electric charge as they fall. Suppose a 2.50-mm-diameter drop has a charge of 15.0 pC; these are both typical values. What is the magnitude of the weight force applied to the raindrop
The magnitude of the weight force applied to the raindrop is 8.026 x 1010⁻⁶ N.
Rain is a liquid form of precipitation on Earth. It is part of the hydrologic cycle which begins when water evaporates and forms clouds in the atmosphere. A drop of rainwater that falls from a cloud to the surface of the earth occurs due to the force of gravity.
The drop is a sphere of diameter 2.5 mm
Radius = 1.25 mm = 0,00125 m
Volume = 4/3πr³
Volume = 4/3π (0,00125)³
Volume = 8.18 x 10⁻⁹ m³
Once we know the volume of rainwater, we can find its mass:
Mass = density x volume
Mass = 1000 x 8.18 x 10⁻⁹ m³
Mass =8.18 x 10⁻⁶ kg
Now, the weight force:
Weight force = mass x acceleration due to gravity
Weight force = 8.18 x 10⁻⁶ x 9.8
Weight force = 8.026 x 1010⁻⁶ N
So, the weight force of, the raindrops is 8.026 x 1010⁻⁶ N.
Complete the questions:
Raindrops acquire an electric charge as they fall. Suppose a 2.50-mm-diameter drop has a charge of +15.0 pC; these are both typical values: What is the magnitude of the weight force applied to the raindrop? The density of water: 1000 kg/m?
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The pressure created by any force is calculated by multiplying the total force by the total area.
Pressure is calculated by dividing the force acting on a surface by the entire area over which it is acting.
How is total pressure calculated?The partial pressures of the component gases are added to determine the overall pressure of the gas combination. Ptot = "Pi" = P1 + P2 + P3... ntot = "ni" = the total number of moles in the gas mixture.
Pressure (P=FA P = F A) is equal to force divided by area. According to the equation, pressure is inversely related to area but directly related to force. Pressure rises at a constant area as the force exerted increases in strength.
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Which of the following is a vector quantity?
O speed
O time
O force
O displacement
O temperature
O momentum
O velocity
O acceleration
According to the given information temperature and velocity of the following is a vector quantity
Is temperature a vector quantity?A vector quantity is one that just has magnitude, whereas a vector quantity has both orientation and magnitude. Given that it is direction-independent at a given position, heat is a scalar number.
Is the force of gravity a vector?Vectors include gravity and displacement. They possess both a value and a direction. The fact that gravity and displacement are pointing in the same direction in this instance allows us to derive a scalar energy from them (in this example, their direction are down and down, respectively).
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An isolated charged point particle produces an electric field with magnitude e at the distance 2m from it. At the distance 1m from the particle the magnitude of the field is:.
While the electric field caused by a dipole changes inversely with the cube of the distance, the electric field caused by an isolated point charge changes inversely with the square of the distance.
Where is an isolated evenly charged object's electric field?The electric field strength is zero throughout the whole cavity of a spherically charged, isolated shell. The length of the electric field is endlessly long and uniformly charged inside a cylindrical shell that is separated from the outside world.
The size of the electric field produced by a point charge Q is determined by this equation. The distance r in the denominator is the separation between the point of interest and the point charge, Q, or the centre of a spherical charge.
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A 0.250 kg block resting on a frictionless horizontal surface is attached to a spring having force constant 83.8 N/m as in figure P13.16. A horizontal force F causes the spring to stretch a distance of 5.46 cm from its equilibrium position.
(a) Find the value of F.
(b) What is the total energy stored in the system when the spring is stretched?
(c) Find the magnitude of the acceleration of the block immediately after the applied force is removed.
(d) Find the speed of the block when it first reaches the equilibrium position.
(e) If the surface is not frictionless but the block still reaches the equilibrium position, how would your answer to part (d) change? What other information would you need to know to answer?
The force F acting on the surface is 4.57 N. The total energy stored in the system when the spring is stretched is 0.132 J. The magnitude of acceleration on the spring is 18 m/s². The speed of the block when reaches equilibrium position is 1.03 m/s.
What is force constant?The force acting on a stretchable material is directly proportional to the displacement of the object from the equilibrium position x.
Thus, F = k x.
Where, k is called the force constant or spring constant.
Given that, the displacement = 5.46 cm = 0.054 m
force constant = 83.8 N/m
Force = 83.8 N/m × 0.054 m = 4.57 N
The total energy stored on the system is equal to its potential energy mgh
m = 0.250 kg
Then p = 0.250 kg × 0.054 m× 9.8 m/s² = 0.132 J
Acceleration = force/ mass
= 4.57 N/0.250 = 18 m/s²
At the equilibrium position, the kinetic energy of stretching equal to the potential energy stored on it.
hence, speed v = √(2gh)
v = √2× 9.8 m/s² ×0.054m = 1.03 m/s.
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A convex mirror has a focal length of 21.0 cm. Determine the object location for which the image will be one-half as tall as the object.
According to the given statement the location of the object needs to be in -21cm
The ratio of the image distance to the object distance is also known as magnification.
Convex mirrors are curved mirrors with reflective surfaces that protrude in the direction of the light source.
The magnification is given by,
m = -(v/u)
As given,
1/2 = -(v/u)
or, 1/v = -(2/u) [1]
For convex mirror,
1/v + 1/u = 1/f
Given, f = 21
- 2/u + 1/u = 1/21 [from 1]
or, u = -21
Therefore, according to the given statement the location of the object needs to be in -21cm
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A convex mirror has a focal length of 21.0 cm. The location of the object needs to be in -21cm.
A convex mirror has a focal length of 21.0 cm. The location of the object needs to be in -21cm. The ratio of the image distance to the object distance is also known as magnification. Convex mirrors are curved mirrors with reflective surfaces that protrude in the direction of the light source. Therefore, according to the given statement the location of the object needs to be in -21cm. Convex mirrors are the mirrors that use to reflect the surface in a more better way than the concave mirror. Convex mirror accumulate the light at one place and it generates more power by collecting all the light rays in the one place and use it all in any of the work. When we accumulate the light rays and use it for anything, it will made the power more. Hence, we can see that a convex mirror has a focal length of 21.0 cm. The location of the object needs to be in -21cm.
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Which evidence is most likely used to indicate the beginning of a solar system formation brainly?
The materials that were pulled together by gravity are most likely evidence that is used to indicate the beginning of a solar system formation.
What formerly served as a sign that the solar system was first forming?Formation. About 4.5 billion years ago, a dense cloud of interstellar gas and dust gave rise to our solar system. The supernova shockwave from a nearby exploding star, or supernova, may have caused the cloud to collapse. This dust cloud burst into a spinning disk of material known as a solar nebula when it disintegrated.
What function does gravity serve in the early solar system?In the early Solar System, dust and gas gathered together due to the attraction of gravity. The substance was heavier in the larger clusters. This implies that they could draw even more content in their direction. The Sun, planets, and moons were formed from these bigger objects.
What proof is there that gravity has an impact on both the Earth and the sun?Our planet continues to circle the Sun due to the Sun's gravitational attraction. Both the gravity of the Sun and the Earth have an impact on how the Moon moves. Every day, the tides rise and fall as a result of the Moon's gravitational influence on the Earth. There is a rise in sea level as the Moon crosses the ocean.
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Most likely, the gravitationally drawn-together components serve as evidence for the emergence of the solar system. Formation. Our solar system was created from a massive cloud of interstellar gas.
And dust some 4.5 billion years ago. The collapse of the cloud may have been triggered by the supernova boom from a nearby exploding star, or supernova. This dust cloud collapsed into a spinning disc of matter called a solar nebula. Because of the Sun's gravitational pull, our planet keeps revolving around it. The motion of the Moon is affected by the gravitational pull of the Sun and the Earth. Gravitational attraction caused dust and gas to clump together in the early Solar System.
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A cue ball weighing 0.350 kg accelerates from the rest with a magnitude of 5.21m/s2 and travels 175cm where it strikes another billiard ball what is the force it will strike the other ball with? convert units
Answer:
To find the force with which the cue ball will strike the other ball, you will need to use Newton's second law of motion, which states that the force acting on an object is equal to the mass of the object multiplied by its acceleration.
You can calculate the force using the following formula:
Force = mass * acceleration
Plugging in the values from your question, we get:
Force = 0.350 kg * 5.21 m/s^2 = 1.82 N
To convert the distance the cue ball travels from centimeters to meters, divide the distance by 100. So 175 cm is equal to 1.75 m.
I hope this helps!
How much potential energy does a skater mass 60 kg at 8 meters high have
Answer:
given;
mass=60 kg
height= 8 m
acceleration due to gravity=9.8m/s
so;
potential energy=MGH
=60×8×9.8 Newton
=4704 newton
Answer:
it's 4704
Explanation:
because the formula of potential e eggy is mgh where gravity(g) is always 9.8 m/s , mass is 60 and h meters is 8
While fishing on the pier you observe that wave crests are spaced 2 meters and are moving at about 10 m/s, what is the frequency of this wave?.
Answer:
5HZ
Explanation:
The frequency of a wave:
It is the number of wave crests that pass a fixed point in one second. To find the frequency of the wave you observed, we divide velocity by wavelength as below.
frequency = velocity / wavelength
where velocity is the speed of the wave and wavelength is the distance between consecutive wave .
Since the wavelength of the wave is 2m and the velocity of the wave is 10 m/s, we can calculate the frequency of the wave as:
frequency = 10m/s / 2m = 5 Hz
A projectile is fired from a gun near the surface of Earth. The initial velocity of the projectile has a vertical component of 148 meters per second and a horizontal component of 149 meters per second. How long will it take the projectile to reach the highest point in its path
A projectile is fired from a gun near the surface of Earth. The initial velocity of the projectile has a vertical component of 148 meters per second and a horizontal component of 149 meters per second. It will 15 second take the projectile to reach the highest point in its path
There are numerous formulas available for computing time, final velocity, initial velocity, etc.
But in this case, the simplest formula to use would be:
v = u + at (where v is the final velocity, u is the beginning velocity, an is the acceleration, and t is the duration)
Since the bullet won't have any vertical velocity at its highest point and we're trying to calculate how long it takes to get there, we assume that the end velocity will be zero.
In the vertical direction, the initial velocity was stated as 148 m/s.
Gravitational acceleration is -9,8 m/s2 (negative due to taking the up direction as positive).
Inserting the values:
t = (v-u) / a
t = (0-148 m/s) / -9,8 m/s²
t = 15seconds
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If you find yourself approaching from the downwind side, you should use the distance from the incident to your maximum advantage or switch to wearing a(n) _________.
If you find yourself approaching from the downwind side, you should use the distance from the incident to your maximum advantage or switch to wearing a self-contained breathing apparatus (SCBA).
What is a self-contained breathing apparatus (SCBA)?The self-contаined breаthing аppаrаtus, or SCBА, is the foundаtionаl tool thаt provides the greаtest аmount of аirwаy protection from toxic gаs аnd hаrmful pаrticulаtes resulting from the fire. It’s essentiаl for modern firefighting аnd todаy’s complex fire grounds.
The term self-contаined meаns thаt the SCBА is not dependent on а remote supply of breаthing gаs (e.g., through а long hose). If designed for use under wаter, it is аlso known аs а Scubа set (self-contаined underwаter breаthing аppаrаtus). When not used underwаter, they аre sometimes cаlled industriаl breаthing sets. Unofficiаl nаmes include аir pаck, аir tаnk, oxygen cylinder or simply pаck, which аre mostly used in firefighting.
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in the formula i=pat, which of the following would be representative of the 'a'?
I=affluence PAT's variable is denoted by the letter A. It indicates the population's average consumption for each individual.
What is represented by the IPAT equation?The model's equation, known as IPAT, connects sustainability outputs to three cause elements. The model's fundamental formula is represented by the letters, which are Impact = Population * Affluence * Technology.
The link between people and their environment is described by the IPAT equation.The IPAT formula was developed as a result of the discussion. According to this, human influence on the environment (I) is the sum of human population (P), human prosperity (A), and human technological impact (T), or I = PAT.
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At 20 ∘C (approximately room temperature) the average velocity of N2 molecules in air is 1050 mph.
What is the average speed in m/s?
What is the kinetic energy (in J) of an N2 molecule moving at this speed?
What is the total kinetic energy of 1 mol of N2 molecules moving at this speed?
The formula KE = 1/2 mv2 describes the kinetic energy of a single N2 molecule, where m is the molecule's mass and v represents its velocity.
What is kinetic energy?Kinetic energy is the energy that an object has as a result of motion. We have to work hard in order to apply a force. Energy is transmitted to the object once the work is accomplished, at which point it moves at a new, constant speed. A ball that is falling freely from a rooftop serves as an illustration of this. The ball has translational kinetic energy and is still falling straight down. The relationship between kinetic energy and an object's mass (m) and its squared speed is straightforward (v).
What is kinetic energy formula?Kinetic energy has the following formula: K.E. = 1/2 m v2, where m is the object's mass and v is its square velocity. The kinetic energy is measured in kilograms-meters squared per second squared if the mass is measured in kilogrammes and the velocity is measured in metres per second.
As a result, the formula for the total kinetic energy of one mole of N2 molecules travelling at 1050 miles per hour is
KE = 1/2 (28.014 x 6.022 x 10^23) x (1050 mph)^2
KE = 1.11 x 10^29 Joules
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Your friend tells you that last night, they saw Mars high in the sky at midnight. You conclude that
A) Mars must be in retrograde.
B) your friend must be mistaken: Mars can never be seen at midnight.
C) Mars must be at its farthest distance from the Earth.
D) Mars must be at its closest distance from the Sun.
When your friend tells you that last night, they saw Mars high in the sky at midnight, you conclude that A) Mars must be in retrograde.
When your friend tells you they saw Mars high in the sky at midnight, you may be surprised to learn that this could be a sign that Mars is in retrograde. Retrograde is a phenomenon when a planet appears to move backward in its orbit.
Although it looks like the planet is moving in the opposite direction, it is actually an optical illusion caused by the relative positions of Earth and the planet in their orbital paths.
With Mars in retrograde, it is believed that the planet's energy affects us differently and can have an impact on our lives. So, if you see Mars high in the sky at midnight, it could be a sign that it is in retrograde.
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All of the following are possible indicators that creep is occurring except for ________.
A) tilted fences or power line poles
B) an extremely thick soil profile
C) cracks in roads or sidewalks
D) curved tree trunks
All of the following, with the exception of a very dense soil profile, could be signs that creep is taking place.
The most unstable substance that can form a bluff is clay and silt (muddy) sediment. These fine-grained sediments are brittle and prone to shifting in the form of major landslides, slow-moving creep, or moderately-sized slumping. Creep is described as a gradual increase in plastic deformation caused by shear loads when the material's yield strength is reached. Curved tree trunks, bowed fences or retaining walls, skewed poles or fences, and minor soil ripples or ridges are all signs of creep. The most dangerous type of mass movement is a landslide, which occurs when rock and earth unexpectedly collapse down a steep slope.
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The inductor in (Figure 1) is a 9.0-cm-long, 2.0-cm-diameter solenoid wrapped with 300 turns. Part A What is the current in the circuit 10 us after the switch is moved from a to b? Express your answer with the appropriate units. * mo ? Units 1 = Value Figure (< 1 of 1 > Submit Request Answer Provide Feedback 302 w 6.0V
The current in the circuit 10 μ after the switch is moved from a to b is 18.084 A
A circuit is an arrangement of electronic parts, such as transistors, resistors, and capacitors, connected by conductive lines to form a closed circuit. The parts are put together in a way that permits an electrical current to pass through them, which enables electricity to be used to power machinery and other objects
The curent of the circuit can be calculate as follows:
B = ( N x μ0 )/ d
d refers diameter of solenoid = 2.0 cm = 0.02 m
N refers number of turns of wire = 300
μ0 refers permeability of free space = 12.56 x 10⁻⁷ H/m
B is the current
Then the flow of the current is calculated as,
B = ( N x μ0 )/ d
B = [4π x 10⁻⁷ x 300] / 2 x 10⁻²
B = 18.084 A
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a bird is flying at a height oof 200m from the ground with a velocity of 90KMPH calculate its total energy
The total energy of the bird is 45.45 J.
What is the total energy of the bird?The total energy of the bird is calculated by applying the following equation as shown below.
E ( total ) = P.E + K.E
Where;
P.E is the potential energy of the birdK.E is the kinetic energy of the birdE ( total ) = mgh + ¹/₂ mv²
where;
m is the mass of the bird = 20 g = 0.02 kgh is the height of the bird = 200 mv is the velocity of the bird = 90 km/h = 25 m/sg is acceleration due to gravity = 9.8 m/s²The total energy of the bird is calculated as follows;
E ( tot ) = ( 0.02 x 9.8 x 200 ) + ¹/₂ (0.02)(25²)
E ( tot ) = 45.45 J
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The complete question is below;
a 20 g bird is flying at a height oof 200m from the ground with a velocity of 90KMPH calculate its total energy
All except one of the following require the application of a net force. Which one is the exception? Why?
A) Changing an object from a state of rest to a state of motion
B) Changing an object's speed without changing its direction of motion
C) Maintaining an object in motion at a constant velocity
D) Maintaining an object in uniform circular motion
E) Changing an object's direction of motion without changing its speed
Changing an object's speed without altering its direction of travel.
What demands the use of net force?To alter an object's velocity, you require a net force. To maintain steady motion, no force is necessary. Anytime there is a net force acting on an object, that object must accelerate. The vector sum of all forces exerted on an object represents its net force.
Which of the following has no net force?An item that is originally at rest and has no net forces operating on it will continue to be at rest. If it is travelling, it will keep going in a straight line at a consistent speed. Pushes or pulls on an object are examples of forces.
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