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3 years ago

12

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?

1 answer:

kherson [118]3 years ago

5 0

Explanation:

K.E = 1/2mv²

1/2 x 7.26 x 7.5²= 204.19j

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