Physicsmedium · Past Paper
The KE of a body is 100 J and its mass is 2 kg. Its velocity is:
A10 m/s
B50 m/s
C100 m/s
D7.07 m/s
✓ Correct Answer: A — 10 m/s
100 = 1/2 * 2 * v^2 => v^2 = 100 => v = 10 m/s.
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