A man is trying to cross the river flowing at a speed of 5m/s to have least possible displacement by swimming at an angle of 143 degrees to the stream . The drift he suffers when he is crossing the same river in least possible time is (width of river = 1km)

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Ishan · Answer

From first condition Usin theta=-5 U sin 53=-5 U 4/5=-5 U=-25/4 PutiPut this in second condition ∆x=Vw * w/Vbw ∆x=5 * 1000/-25/4 ∆x=4000/5=800m T=w/Vbw=1000/-25/4=4000/25=160s

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A man is trying to cross the river flowing at a speed of 5m/s to have least possible displacement by swimming at an angle of 143 degrees to the stream . The drift he suffers when he is crossing the same river in least possible time is (width of river = 1km)

A man is trying to cross the river flowing at a speed of 5m/s to have least possible displacement by swimming at an angle of 143 degrees to the stream .
The drift he suffers when he is crossing the same river in least possible time is (width of river = 1km)

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A man is trying to cross the river flowing at a speed of 5m/s to have least possible displacement by swimming at an angle of 143 degrees to the stream . The drift he suffers when he is crossing the same river in least possible time is (width of river = 1km)

A man is trying to cross the river flowing at a speed of 5m/s to have least possible displacement by swimming at an angle of 143 degrees to the stream . The drift he suffers when he is crossing the same river in least possible time is (width of river = 1km)

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A man is trying to cross the river flowing at a speed of 5m/s to have least possible displacement by swimming at an angle of 143 degrees to the stream .
The drift he suffers when he is crossing the same river in least possible time is (width of river = 1km)