Question

A man starts swimming at time t = 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 m/s and width of river is 48 m. River flow
velocity u varies with time is given by u = 72 m/s. He always tries to swim in particular fixed direction
24.
with river flow (given sin
74°)
25
B
48m
u=t/2 ->
А
a) direction in which he should make stroke and the time taken by the man to cross the river​

Answer 1

Answer:

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Explanation:

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