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

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asked Dec 18, 2016 8.1k views

1 Answer

Martin Fasani · Answer 1 · 2016-12-24T18:17:36+0000

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.

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

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