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10-04-2020
Engineering

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You kick a soccer ball with a mass of 2.5 kg at a speed of 10 m/s towards the net. The soccer ball has a kinetic energy of
(Don't forget your units!)

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10-04-2020

answer

125 J

explanation

formula for kinetic energy is K = mv^2/2

plug in 2.5 kg for m and 10 m/2 for v

K = 2.5*10^2/2

K = 2.5 * 100 / 2

K = 250 / 2

K = 125 J

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