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A manwishes tocrossariverflowingwith velocityu joumpsat ananglethetawiththeriverflow. Findoutthenetvelocity of themanwithrespectto groundif hecanswim withspeedv. alsofindhowfarhow fatfromthe pointboatactuallymove. if thewidthof theriveris d. |
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Answer» Solution :velocityof man`= V_M= sqrt( U^2+ v^2+ 2vu cos theta )` `tanphi= ( vsintheta)/(u+ vcostheta )` `( VSIN theta ) t =d impliest =(d)/(v SINTHETA)` `X= (u + v costheta) t= (u + vcostheta) (d)/( v sintheta )`
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