Question

The ball had a made of 2 kg and final speed of 5 m/s. What is the kinetic energy of the ball? Give your answer in joules (J) Recall that the equation for finding kinetic energy is ‘’Kinetic Energy =1/2mass x speed

Answer 1

25 J

Explanation:

Using the proper formula for kinetic energy ...

KE = 1/2mv²

we can substitute the given values to find the kinetic energy of the ball.

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KE = 1/2(2 kg)(5 m/s)² = 25 J

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The unit "Joule" is a derived SI unti equivalent to 1 kg·m²/s².