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A river of width w is flowing with a uniform velocity V . A bpat starts moving from point P also with velocity V relative to the river . The direction of resultant velocity is always perpendicular to the line joining boat and the fixed point R .point Q is on the opposite side of the river P , Q and R are in a staight line .If PQ=QR= w find (a) the trajectory of the boat (b) the drifting of the boat and (c) the time taken by the boat to cross the river.

A river of width w is flowing with a uniform velocity V . A bpat starts moving from point P also with velocity V relative to the river . The direction of resultant velocity is always perpendicular to the line joining boat and the fixed point R .point Q is on the opposite side of the river P , Q and R are in a staight line .If PQ=QR= w find (a) the trajectory of the boat (b) the drifting of the boat and (c) the time taken by the boat to cross the river.

Grade:12th Pass

1 Answers

RAJEEV CHOUDHARY
9 Points
9 years ago

1)trajectory will be circle.

2)Drift = Wsin60.

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