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Question 5327
NEET Physics · Medium

Motion in a Plane: Relative Velocity 2D MCQ

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Relative Velocity 2DMediumQuestion 5327

Question

A swimmer crosses a 100 m wide river (current 5 m/s) by swimming at 10 m/s perpendicular to the bank. Time to cross is:
  1. A
    10 s
    Correct
  2. B
    20 s
  3. C
    5 s
  4. D
    7 s

Correct answer

10 s

Explanation

Time = width / swimmer's speed = 100/10 = 10 s. Current doesn't affect crossing time.

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