Physics · Mechanics
A ball kept at a height of 20 m falls freely in a vertically downward direction and hits the ground. If the coefficient of restitution is 0.4, the velocity of the ball immediately after the first rebound is: [Take g = 10 m/s2]
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 116 m/s
- 212 m/s
- 38 m/s✓
- 44 m/s
Correct answer
8 m/s
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