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NEET Class neet Answered

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Asked by priyabae134 | 08 Sep, 2023, 12:34: PM
answered-by-expert Expert Answer
Vector diagram for the person swimming with speed v along the direction that makes angle 120o with river flow direction is shown in figure.
 
If the person is aiming to cross the river and reach exactly opposite point from starin point ,
then the magnitude of velocity component resolved alog the flow direction equals the speed of river flow.
 
If vr is speed of river flow , then we get ,
 
begin mathsize 14px style v subscript r space equals space v sin 30 space equals space 0.5 space asterisk times space sin 30 space m divided by s space equals space 0.25 space m divided by s end style
Answered by Thiyagarajan K | 08 Sep, 2023, 10:47: PM
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