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Question 5313
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Motion in a Plane: Relative Motion in 2D MCQ

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Relative Motion in 2DEasyQuestion 5313

Question

A river flows east at 3 m/s. A boat travels at 4 m/s in still water heading north. The resultant speed is:
  1. A
    1 m/s
  2. B
    7 m/s
  3. C
    5 m/s
    Correct
  4. D
    3.5 m/s

Correct answer

5 m/s

Explanation

Resultant = √(3² + 4²) = √25 = 5 m/s.

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