A river is wide and flows at

PHYSICS · Multi-part · CBSE · Physics · Motion in a Plane · Motion in a Plane

Problem

A river is 20 m20\text{ m} wide and flows at 3 m/s3\text{ m/s}. A boat starts with velocity 22 m/s2\sqrt{2}\text{ m/s} at an angle of 45∘45^\circ to the river current, relative to the river. (1) Find the time taken by the boat to reach the opposite bank. (2) How far from the point directly opposite the starting point does the boat reach the opposite bank?

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