Question

A man starts swinaming at time = 0 from point A on the ground and he wants to reach the point B
directly opposite the point A. His velocity in still water is 5
and width of river is 48 m. River flow
velocity 'u' varies with time t (in seconds) as u= t/2
He always tries to swim in particular fixed direction with river

Find the
(a) direction (with line AB) in which he should make stroke and the time taken by man to cross the river.
(b) trajectory ​

Answer 1

Answer:

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