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27-01-2015
Mathematics

Answered

a 4 kg rock is rolling 10m/s how do I find its kinetic energy

Verified Answer :

27-01-2015

The kinetic energy of any moving object is

KE = (1/2) (object's mass) (its speed)² .

Both of those quantities are right there in your question.
Just write them into the KE formula.

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