Physics · Work, Energy and Power
A boy throws a 0.2 kg stone from the top of a 15 m cliff with a speed of 20 m/s in downwards direction. The kinetic energy of the stone when it lands in a river below will be: (Take g = 10 m/s2)
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 170 J✓
- 240 J
- 330 J
- 40 J
Correct answer
70 J
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