A cheetah can run briefly with a speed of 31 m/s. Suppose a cheetah with a mass of 47 kg runs at this speed. What is the cheetah’s kinetic energy?K.E = 0.5MV2

Question

$K.E = 0.5MV^2$

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To calculate the kinetic energy of the cheetah, we can use the formula for kinetic energy which is K.E = 0.5 * m * v^2.

Here, m = mass of the cheetah = 47 kg v = speed of the cheetah = 31 m/s

Substituting these values into the formula, we get:

K.E = 0.5 * 47 kg * (31 m/s)^2

First, square the velocity:

(31 m/s)^2 = 961 m^2/s^2

Then, multiply this by the mass and 0.5:

K.E = 0.5 * 47 kg * 961 m^2/s^2 = 22558.5 Joules

So, the kinetic energy of the cheetah is 22558.5 Joules.

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