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Physics 44 Online
OpenStudy (maheshmeghwal9):

A man crosses a river in a boat. If he cross the river in minimum time he takes 10 minutes with a drift 120 m. if he crosses the river taking shortest path. He takes 12.5 minute find: - (a) width of the river (b) velocity of the boat with respect to water (c) speed of the current

OpenStudy (anonymous):

hey x=vrt,120=10vr artef that 12.5=w/vb and by phyto u will gt vbr=20m/min vr=12m/min w=200m

OpenStudy (maheshmeghwal9):

would u make me understand step by step plz ?

OpenStudy (maheshmeghwal9):

@mathslover @ajprincess Please help:)

mathslover (mathslover):

what a gr8 explanation : http://www.meritnation.com/discuss/question/2525429 u will find it very useful @maheshmeghwal9

OpenStudy (maheshmeghwal9):

thanx a lot:)

mathslover (mathslover):

ur welcome :) ..Did it help u ?

OpenStudy (maheshmeghwal9):

yeah:D

mathslover (mathslover):

:D gr8 to know ..

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