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River is flowing with a velocity $\bar{V} = 4 \bar{i} m s^{- 1}$ . A boat is moving with a velocity ${\bar{V}}_{B R} = (2 \bar{i} + 4 \bar{j}) m s^{- 1}$ relative to water. The width of river is 100m along y-direction. The drift of boat is

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detailed solution

Correct option is D

V−BR=V−Bg−V−Rg Time of crossing =1004=25 SDrift =6×25=150m

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River is flowing with a velocity V¯=4i¯ ms−1 . A boat is moving with a velocity V¯BR=(2i¯+4j¯)ms−1 relative to water. The width of river is 100m along y-direction. The drift of boat is

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River is flowing with a velocity $\bar{V} = 4 \bar{i} m s^{- 1}$ . A boat is moving with a velocity ${\bar{V}}_{B R} = (2 \bar{i} + 4 \bar{j}) m s^{- 1}$ relative to water. The width of river is 100m along y-direction. The drift of boat is