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The formula for calculating kinetic energy (KE) is KE = 0.5 x mv ². Here m stands for mass, the measure of how much matter is in an object, and v stands for the velocity of the object, or the rate at which the object changes its position.[5]

Your answer should always be stated in joules

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K =1 / 2mv²

Multiply both sides by 2

2 × K = 2 ×1 / 2mv²

2 × K =2 / 2mv²

2K = mv²

Divide both sides by m

2K / m= v

²

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k=m
v^2/2
k=10
5^2/2
k=10/2*5^2
k=5*5^2
k=5*25=125 joules

k=m
v^2=2
k=10/2*10^2
k=5*10^2
k=5*100=500 joules

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Suppose a cat and a elephant are running the same kinetic energy. Which one do you think is going faster?

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calculate the kinetic energy of a 10 kg car with a speed of m\s then calculate the kinetic energy again when the speed doubles

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a large densely packed crowd of people or animals

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a coherent,typically large body of matter with no definite shape

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energy that a body possesses by virtue of being in motion