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JEE Main 10 Jan 2019 Shift 1 Solved Paper

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Question : 13

Total: 90

A piece of wood of mass 0.03 kg is dropped from the top of a 100 m height building. At the same time, a bullet of mass 0.02 kg is fired vertically upward, with a velocity 100 ms–1 , from the ground. The bullet gets embedded in the wood. Then the maximumheight to which the combined system reaches above the top of the building before falling below is : (g = 10 ms–2)

30 m
10 m
40 m
20 m

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