Mathematics · Laws of Motion
A body is dropped from a height of 20 meters with zero initial momentum. Calculate its mass if it hits the ground with a momentum of 40 kg·m/s. (Assume acceleration due to gravity g = 10 m/s2)
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 12 kg✓
- 24 kg
- 31 kg
- 420 kg
Correct answer
2 kg
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