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A student drops a 2.4-kg ball. It’s speed right before hitting the ground is 5 m/s. If 15 J of energy was transferred to the environment as the ball fell, what was the total initial energy of the ball?
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A student drops a 2.4-kg ball. It’s speed right before hitting the ground is 5 m/s. If 15 J of energy was transferred to the environment as the ball fell, what was the total initial energy of the ball?

21 J
30 J
45 J
6 J

User Avio
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6.0k points

1 Answer

3 votes

The answer is 45J

Don’t know how to explain sorry

User Raghuveer
by
5.7k points
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