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 If a swimmer who can swim with a speed of A m/s in calm water stretchs a a river of width d, and with stream velocity B m/s. Then

a) What's the condition for shortest time taken to reach other bank? Whats the expression for shortest time?

b) What's the expression for drift and expression for minimum drift?

Radhika Batra , 10 Years ago
Grade 11
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