Kinematics

JEE Main level, numerical answer, medium

191 of 308

Question 191 of 308

A person is swimming with a speed of 10ms−110m{s}^{-1} at an angle of 120∘120^{\circ} with the flow and reaches to a point directly opposite on the other side of the river. The speed of the flow is xms−1.xm{s}^{-1}. The value of xx to the nearest integer is ______.

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Answer: 5


10sin⁡30∘=x10\sin 30^{\circ}=x
x=5m/sx=5m/s

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