JEE Main 2021PhysicsMotion In Two DimensionsMediumNumerical

JEE Main 2021Motion In Two Dimensions Question with Solution

JEE Main 2021 (16 Mar Shift 2)

Question

A swimmer can swim with velocity of 12 km/h in still water. Water flowing in a river has velocity 6 km/h. The direction with respect to the direction of flow of river water he should swim in order to reach the point on the other bank just opposite to his starting point is ________°

(Round off to the Nearest Integer) (find the angle in degree)

Enter your answer

Show full solutionCorrect answer: 120
Correct answer
120

Step-by-step explanation

12sinθ=vr

sinθ=12

θ=30°

 α=120°

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About this question

This is a previous-year question from JEE Main 2021, covering the Motion In Two Dimensions chapter of Physics. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.