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Today at 8:12 PM
Biology

Answered

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?

Answer :

nobleswift nobleswift

Today at 8:17 PM

Explanation:

K.E = 1/2mv²

1/2 x 7.26 x 7.5²= 204.19j

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