morgan7561
Answered

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Determine the kinetic energy of a 1000-kg roller coaster car that is moving with a speed of 20.0 m/s.

Sagot :

Answer: 200000 J

Explanation:

Formula for kinetic energy: Ek=1/2 *mv^2

m=1000 kg. v=20.0m/s

Ek=1/2 *1000*20^2

Ek=500*400

Ek=200000 J

J=joules

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