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NEET UG PHYSICS MCQ: MOTION IN PLANE
1
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A motorboat covers a given distance in 6 hours moving downstream on a river. It covers the same distance in 10 hours moving upstream. The time it takes to cover the same distance in still water is (in hours).
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Correct option: A
7.5
Option A is correct because the time in still water is the harmonic mean of the upstream and downstream times, leading to 7.5 hours.
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