March 24, 2017

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Posts by Sunder

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Mechanics M1
A girl swims across a river. When she swims in still water, she swims at 1.25 m/s, the river flows parallel to its banks at v m/s. The girl aims to swim upstream at angle θ degree to the river bank so that her resultant velocity of 1 m/s is along AB, perpendicular to the ...
March 7, 2012

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