A person is swimming with a speed of 10   m   s - 1 at an angle of 120 ° with the flow and…

A person is swimming with a speed of 10 m s-1 at an angle of 120° with the flow and reaches to a point directly opposite on the other side of the river. The speed of the flow is x m s-1. The value of x to the nearest integer is ______.

Solution

10 sin 30°=x
x=5 m/s

Asked in: JEE Main 2021 (18 Mar Shift 1)

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