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Physics for IGCSE & O level - Forces And Motion (Section 1 - No. 27)

If a 5 kg object is moving at 10 m/s, what is its kinetic energy?
250 J
50 J
500 J
100 J

설명

Kinetic Energy = 1/2 * m * v^2 = 1/2 * 5 kg * (10 m/s)^2 = 250 J.

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