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A river is 20 m wide. River speed is 3 m...

A river is `20 m` wide. River speed is `3 m//s.` A boat starts with velocity `2sqrt2 m//s` at angle `45^@` from the river current (relative to river)
(a) Find the time taken by the boat to reach the opposite bank.
(b) How far from the point directly opposite to the starting point does the boat reach the opposite bank?

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