Physicsmedium · Past Paper
Calculate the kinetic energy of a ball of mass 0.5 kg moving at a speed of 4 m/s.
A2 J
B4 J
C8 J
D1 J
✓ Correct Answer: B — 4 J
KE = 1/2 * 0.5 * 4^2 = 0.25 * 16 = 4 Joules.
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