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Relative Velocity in 2D

2019-8-35 A S...

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2019-8-35 A Swimmer reaches the other bank of a flowingriver exactly opposite to the starting point. If he wasswimming at 2 km/hr while maintaining 150^° withthe flow, then time taken by him to cross the river1 km wide isw(1) 30 min(2) 1 hr(3) 2 hrs(4) 20 min/8

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