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29 December, 07:17

A 2-kg ball rolls at a speed of 10 m/s on the ground. Is this an example of Kinetic Energy, Potential Energy, or both?

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  1. 29 December, 07:35
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    If a 2kg ball rolls at a speed of 10 m/s on the ground, this is an example of kinetic energy. When a mass of the body moves at a specific rate, there is movement. The equation for kinetic energy is 1/2mv^2. Therefore the kinetic energy of the ball is (1/2) (2kg) (10m/s) ^2 is 100 Joules.
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