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When the boat starts moving upstream

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Reference no: EM13794510

The velocity of a motor boat with respect to Still Water is 7 m/s and the velocity of water in river is 3 m/s.

When the boat starts moving upstream, a float was dropped from it. The boat travels 4.2 kms and returns and reaches the float.

The time taken by the boat to catch the float is

Reference no: EM13794510

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