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NEET UG PHYSICS MCQ: MOTION IN PLANE

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A boat can travel at a speed of 8 kmph in still water on a lake. In the flowing water of a stream, it can move at 8kmph relative to the water in the stream. If the stream speed is 3kmph, how fast can the boat move past a tree on the shore in travelling (i) upstream (ii) downstream?

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Correct option: A

5 kmph and 11 kmph

Option A (5 kmph and 11 kmph) is correct because it accurately calculates the boat's speed relative to the shore both upstream and downstream by considering the stream's effect.

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