23-02-2016
Chemistry

Answered

A 4 kg rock is rolling 10 m/s. Find its kinetic energy

Verified Answer :

Anonymous Anonymous

23-02-2016

KE = 1/2mv^2
KE = 1/2(4)10 m/s^2
KE = 2 10
KE = 20 joules

Answer: 20 joules

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