Physicshard · Past Paper
A body of mass 5 kg is falling from a height of 10 m. What is its kinetic energy at the midpoint of its fall?
A500 J
B250 J
C125 J
D1000 J
✓ Correct Answer: B — 250 J
At midpoint, half of the initial PE (mgh = 500 J) has been converted to KE. So KE = 250 J.
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