JEE MAIN - Physics (2021 - 27th July Evening Shift - No. 23)
A swimmer wants to cross a river from point A to point B. Line AB makes an angle of 30$$^\circ$$ with the flow of river. Magnitude of velocity of the swimmer is same as that of the river. The angle $$\theta$$ with the line AB should be _________$$^\circ$$, so that the swimmer reaches point B.
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Answer
30
Explanation
_27th_July_Evening_Shift_en_23_2.png)
Both velocity vectors are of same magnitude therefore resultant would pass exactly midway through them
$$\theta$$ = 30$$^\circ$$
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