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Q .1- A projectile projected at some angle with vel. 50m/s crosses a 20m wall after 4s from the time of projection. The angle of projection of particle will be ? ( pls give full sol.) 2. a swimmer can swim in still water at 1.5m/s , the river is flowing with 2m/s from left to right. The minimum time taken by swimmer to cross the river and drift will be? ( pls full sol. )

AJAY KUMAR , 10 Years ago
Grade 12th pass
anser 1 Answers
Arun Kumar

Last Activity: 10 Years ago

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Arun Kumar
Btech, IIT Delhi
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