Physicshard · Past Paper
A person standing on the edge of a cliff throws one ball vertically upwards and another ball vertically downwards with the same speed. Which ball hits the ground with greater speed?
AThe one thrown upwards
BThe one thrown downwards
CBoth hit with the same speed
DDepends on the mass of the balls
✓ Correct Answer: C — Both hit with the same speed
The ball thrown up will pass the cliff edge moving down with the same speed 'u', thus reaching the ground with the same final velocity.
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