A river flows due east at

PHYSICS · Single correct · CBSE · Physics · Motion in a Plane · Motion in a Plane

Problem

A river flows due east at

1.5\,\text{m}\!/\!\text{s}

. A swimmer can move through still water at

2.0\,\text{m}\!/\!\text{s}

by aiming due north. What is the magnitude of the swimmer’s velocity relative to the shore? (a)

3.5\,\text{m}\!/\!\text{s}

(b)

2.0\,\text{m}\!/\!\text{s}

(c)

2.5\,\text{m}\!/\!\text{s}

(d)

2.6\,\text{m}\!/\!\text{s}

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