Answer:
Dispersion
Explanation:
dispersion
[diˈspərZHən, diˈspərSHən]
NOUN
the action or process of distributing things or people over a wide area.
"some seeds rely on birds for dispersion"
the state of being dispersed over a wide area.
"the general dispersion of Hellenistic culture"
ecology
the pattern of distribution of individuals within a habitat.
(Dispersion)
another term for diaspora.
a mixture of one substance dispersed in another medium.
physics
the separation of white light into colors, or the separation of any radiation according to wavelength.
statistics
the extent to which values of a variable differ from a fixed value such as the mean.
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If a bag of pretzels says it contains 10 servings, and each serving is 150 calories, how many calories would you consume if you ate the entire bag?
300, adding extra healthy calories
1,000, adding extra unnecessary calories
1,500, adding extra unnecessary calories
2,000, adding extra healthy calories
Answer:
5400
Explanation:
i calculated it
Big brain
As waves get closer to a beach they _____.
increase in length
decrease in height
decrease in energy
increase in energy
Answer:
Increase in energy
Explanation:
When a neutrally charged atom loses an electron to another atom, the result is the creation of ________?
Answer:
Nuclear Fission
Explanation:
Answer:
B. It must readily accept electron flow.
Explanation:
Lab partner says in newton second law by pushing a 10 KG object with 10 N and then pushed a 20 KG object with 20 in. They wanted to see effect of doubling the force of an object which choice explains why this I cannot be used to show the effect of
Answer:
must double the force, with the same masses you get twice the acceleration.
Explanation:
Newton's second law establishes a relationship between force and acceleration where the constant of proportionality is mass
F = m a
To prove these relationships you must double the force, with the same masses you get twice the acceleration.
2F = m 2a
The downside is that if you double the mass, the acceleration stays the same.
2F = 2m a
Define Work And its types
Positive Work.
Negative Work.
Case of zero work done.
Displacement at an angle to the force.
Energy.
Kinetic Energy.
work is the energy transferred to or from an object via the application of force along a displacement. In its simplest form, it is often represented as the product of force and displacement.
How does the number of fins affect energy transfer?
Answer:
Because the more coolant passed through the fins, the more energy can be emitted
the difference between endothermic and exothermic reaction
Why is it important for earth’s magnetic field that the inner core is hotter then the outer core?
A. The inner core heat produce stuff
it important for earth’s magnetic field that the inner core is hotter then the outer core because, the inner core provides the heat source for outer core convection. Hence, option c is correct.
What is convection currents ?Convection is a mode of heat transfer in fluids. The hotter fluid molecules rises from the surface and makes other molecules also hot. The mantle fluid inside the earth core generates a convection current by the heat radiated from sun.
As a result of radioactive heating and chemical differentiation, the earth's outer core is currently experiencing turbulent convection. This creates a process where the convective kinetic energy is transformed into electrical and magnetic energy, much resembling a naturally occurring electrical generator.
In essence, electric currents are induced by the movement of electrically conducting iron in the presence of the earth's magnetic field. Hence, option c is correct.
Find more on convection current:
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unicellular
organism are
Explanation:
Its organism are one cell I think
Does ANYONE take IPC? (Integrated Physics & Chemistry)
Answer:
No
I'm in middle School
What is the chemical formula for Tetrasulfur pentoxide
( explain)
Answer:
s4n4 the chemical formula
The chemical formula of tetrasulfur pentoxide is S₄O₅, as it has four sulfur atoms and five oxygen atoms.
What is chemical formula ?Chemical formula is a way of representing the number of atoms present in a compound or molecule.It is written with the help of symbols of elements. It also makes use of brackets and subscripts.
Subscripts are used to denote number of atoms of each element and brackets indicate presence of group of atoms. Chemical formula does not contain words. Chemical formula in the simplest form is called empirical formula.
It is not the same as structural formula and does not have any information regarding structure.It does not provide any information regarding structure of molecule as obtained in structural formula.
There are four types of chemical formula:
1)empirical formula
2) structural formula
3)condensed formula
4)molecular formula
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Bolt starts the race not moving, but then increased his speed until he reaches a top speed. Once Bolt reaches his top speed he maintains that speed for a few seconds to: a) move at constant velocity b) accelerate by moving faster c) accelerate by moving slower
Answer:
a
Explanation:
In order to maintain speed, a moving object or person must move at a constant velocity. Accelerating will increase the speed while decelerating will reduce the speed.
Hence, for Bolt to be able to maintain the top speed for a few seconds, he needs to move at a constant velocity.
The correct option is a.
A bamboo plant grows at an average rate of 3.75 cm/h. How much will it grow inc6 hours
Answer:
22.5 inches in 6hours
Explanation:
Because it tells us it grows 3.75 an hour which is an ratio of 3.75 to 1 so you would just multiply 3.75 with 6
Hope this helps
2) A car going down the road has a velocity of 20 m/s. If the car continues at this
rate for 7 seconds how far did the car go?
Answer: 140
Explanation: just multiply 7 x 20
Select the correct answer.
Rebecca would like to get started on a Mediterranean diet for optimal health. Which changes would you recommend?
A.
Avoid meats, poultry, and fish, and eat more fruits, vegetables, and whole grains.
B.
Choose meat and poultry for most meals, and limit fat.
C.
Consume fish and olives and avoid red meat.
D.
Eat a wide variety of fruits, vegetables, and beans, and avoid any alcohol.
An Austin volleyball player bumps a 5 kg ball into the air. It reaches a height of 2.8 meters. How fast was the ball going as it got bumped into the air?
O 137.2 m/s
O 7.4 m/s
O 19.6 m/s
O 14 m/s
Answer:
v = 7.4 m/s
Explanation:
Given that,
Mass if a volleyball, m = 5 kg
The ball reaches a height of 2.8 m
We need to find how fast the ball is going as it bumped into the air. Ket the velocity is v. Using the conservation of energy to find it as follows :
[tex]mgh=\dfrac{1}{2}mv^2\\\\v=\sqrt{2gh} \\\\v=\sqrt{2\times 9.8\times 2.8} \\\\=7.4\ m/s[/tex]
So, the required speed is 7.4 m/s. Hence, the correct option is (b).
A clock which has brass pendulum beats seconds correctly when the temperature of the room is 30° C. how many seconds will it gain or lose per day when the temperature of the room falls to 10° C?
Answer:A::C
Solution :
ΔT=
1
2
TαΔθ
rArr Δt=
ΔT
T1t
But T′≈T
∴Δt=
1
2
αΔθ(t)
=
1
2
×0.000012×20×24×3600
=10.37s
At higher temperture, length of pendulum clock will be more. So, time period will be more and it will lose the time.
Explanation:
A satellite of mass 1.02 metric tons orbits Earth at a constant height. If the mass of Earth is 6 x 10^24 kg,its radius is 6,360 km,and the gravitational force between Earth and the satellite is 6.6 x 10^3 N, find the height of the satellite’s orbit rounded to the nearest kilometer. Take the universal gravitational constant, G = 6.67 x 10^-11 Nm^2/kg^2.
Answer:
height = 1.5 x 10⁶ m = 1500 km
Explanation:
We can use the formula of gravitational force from the Newton's Gravitational Law:
[tex]F = \frac{Gm_{1}m_{2}}{r^2}[/tex]
where,
F = Gravitational Force = 6.6 x 10³ N
G = Universal Gravitational Constant = 6.67 x 10⁻¹¹ N.m²/kg²
m₁ = mass of earth = 6 x 10²⁴ kg
m₂ = mass of satellite = (1.02 tons)(1000 kg/1 ton) = 1.02 x 10³ kg
r = distance between center of earth and satellite = ?
Therefore, using these values in the equation, we get:
[tex]6.6\ x\ 10^3\ N = \frac{(6.67\ x\ 10^{-11} N.m^2/kg^2)(6\ x\ 10^{24} kg)(1.02\ x\ 10^3\ kg)}{r^2}\\\\r^2 = \frac{(6.67\ x\ 10^{-11} N.m^2/kg^2)(6\ x\ 10^{24} kg)(1.02\ x\ 10^3\ kg)}{6.6\ x\ 10^3\ N}\\\\[/tex]
[tex]r = \sqrt{61.84\ x\ 10^{12}\ m^2 }[/tex]
[tex]r = 7.86\ x\ 10^6 m[/tex]
The distance between center of earth and the satellite is equal to the sum of height of satellite and radius of earth:
[tex]r = height + radius\ of\ earth\\7.86\ x\ 10^6 m = height + 6.36\ x\ 10^6 m\\height = 7.86\ x\ 10^6 m - 6.36\ x\ 10^6 m[/tex]
height = 1.5 x 10⁶ m = 1500 km
mass of 25 kg and a KE of 450 J.
Two kids are playing tag. The first kid is running at an unknown speed chasing the other. The first kid has
How fast is the first kid running?
answer =
Answer:
6m/s
Explanation:
HALP i offer lots plz answer both questions
+brainlyest
+points
Answer:
D
Explanation:
B: false
How long does the lunar cycle take to complete
Answer: Bueno no tengo idea 292
Explanation:
Rob is a high school student taking both algebra and geometry. Last night he had 27 homework problems combined from the two classes, and he took a total of 90 minutes to do them. If each algebra problem took him 2 minutes and each geometry problem took him 5 minutes, how many algebra problems did he have for homework?
Answer:
The answer is D
Explanation:
The number of algebra problems did he have for homework is 15.
The calculation is as follows:Here we assume x represent the number of algebra problems. So, the number of geometry problems was 27-x and the total working time was ...
2x +5(27 -x) = 90
-3x = 90 -135
-3x = -45
x = 15
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10. How does surface area affect the amount of air resistance an object experiences?
Answer:cross-sectional area, and thus surface area, increases the amount of air resistance an object experiences
Explanation:
high pressure
system the air moves (up/down) and brings
(good/bad) weather
Answer:
high pressure system in the air moves up and brings good weather
give me thanks >:(
which two factors affect the amount of thermal energy an object has?
Answer:
Its The average kinetic energy and the number of particles.
Explanation:
The amount of thermal energy of the object depends on the average kinetic energy of the particles and the total number of particles in the system.
What is thermal energy?It can be defined as the form of the energy in which heat is transferred from one body to another body due to their molecular movements, thermal energy is also known as heat energy.
As given in the problem statement we have to find out the two factors that affect the amount of thermal energy of the object,
The total amount of thermal energy = The average kinetic energy ×number of particles
The average kinetic energy of the particles in the system and the overall number of particles affect the object's thermal energy.
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An object has a mass of 300 g. (a) What is its weight on Earth? (b) What is its mass on the Moon?
(C) What will be its acceleration on the Moon when a 0.500 N resultant force acts on it?
Answer:
The mass of object is 300g.
Its weight on earth is W×0.3kg×9.8m/s2=2.94 N
Its weight on moon is A 300 g would be 48 g on the moon
GOOD LUCK!
4. What is the acceleration of a box weighing 666 N if a force of 777 N is applied to it?
Heya!!
For calculate aceleration, lets applicate second law of Newton:
[tex]\boxed{F=ma}[/tex]
Δ Being Δ
F = Force = 85,5 N
m = Mass = ?
a = Aceleration = ?
First, lets calculate the mass using weight, for that lets use Newton law:
[tex]\boxed{m=w/g }[/tex]
Δ Being Δ
w = Weight = 666 N
g = Gravity = 9,82 m/s²
m = Mass = ?
⇒ Let's replace according the formula and clear "a":
[tex]\boxed{m = 666\ N / 9,81\ m/s^{2} }[/tex]
⇒ Resolving
[tex]\boxed{ m = 67,88\ kg }[/tex]
Like now we have the mass, lets calculate the aceleration:
⇒ Let's replace according the formula and clear "a":
[tex]\boxed{a=777 \ N / 67,88\ kg}[/tex]
⇒ Resolving
[tex]\boxed{ a = 11,445 \ m/s^{2}}[/tex]
Result:
The aceleration is 11,445 meters per second squared (m/s²)
Good Luck!!
Why did boy (the observer) hear the pitch of the sound change? What does this tell us about the frequency of the sound? Support your conclusion based on results from the experiment and your knowledge of sound waves.
Answer:
because of the doppler effect
Explanation:
Remember, the doppler effect refers to the changes in sound (frequency of sound) observed by a person who is in a position relative to the wave source.
In this example, we notice as the train comes closer to the boy, the sound becomes louder also increasing the pitch slightly, the doppler effect sets in when the train passes the boy because the boy notices a decrease in the pitch of the moving train.
We learn from the change in the observed sound of the train that the frequency of the sound is determined by the distance of the observer from the wave source.
In other words, the closer the source of the sound to the observer; the faster it travels to the observer, however, the farther it is; the lesser it is; the greater the sound heard.
Benny wonders why when he presses his finger against a map nothing happens to the map. However if he presses a thumbtack into the map using the same force the tack will probably poke a hole in the map.
Answer: The pressure exerted on a surface by an object increases as the surface area of contact decreases.
Explanation:
Pressure measures the amount of force exerted per a given area of an object. From this definition, the surface area of the object and force applied, affects the pressure applied.
As Benny presses his finger against a map, nothing happens to the map because the force applied is affected by the increased surface area of his finger. However as he presses a thumbtack into the map using the same force the tack will probably poke a hole in the map because the small( decreased) surface area of the sharp point of the thumbtack produces a much larger pressure on the map than the area of Benny finger. I hope this helps, thanks!
Why did people think that Pluto was a planet in the decades after its discovery
Answer:
Pluto is no longer considered a planet as a result of it's small size on the IAU scale.
Explanation:
