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A 2-kg ball rolls down the hill. By the time it is at the bottom, the ball’s Kinetic Energy is 25 J. What is its velocity at the bottom of the hill?
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3 votes
A 2-kg ball rolls down the hill. By the time it is at the bottom, the ball’s Kinetic Energy is 25 J. What is its velocity at the bottom of the hill?

User Blue Nebula
by
7.9k points

1 Answer

6 votes

Step-by-step explanation:

KE = ½ mv²

25 J = ½ (2 kg) v²

v = 5 m/s

User MacroMan
by
8.3k points
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