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A teenager throws a 7.26 kg rock into a lake, trying to make a big splash. If the rock is travelling at a speed of 7.5 m/s, how much kinetic energy does the rock have?
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A teenager throws a 7.26 kg rock into a lake, trying to make a big splash. If the rock is travelling at a speed of 7.5 m/s, how much kinetic energy does the rock have?

User Michael Bowersox
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1 Answer

1 vote

Step-by-step explanation:

K.E = 1/2mv²

1/2 x 7.26 x 7.5²= 204.19j

User Symbiotech
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