Physics · Work, Energy and Power
Consider a drop of rain water having mass 1 g falling from a height of 1 km. It hits the ground with a speed of 50 m/s. Taking g constant with a value of 10 m/s2, the work done by (i) the gravitational force and (ii) the resistive force of air is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1(i) 100 J, (ii) 8.75 J
- 2(i) 1.25 J, (ii) -8.25 J
- 3(i) -10 J, (ii) -8.25 J
- 4(i) 10 J, (ii) -8.75 J✓
Correct answer
(i) 10 J, (ii) -8.75 J
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