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Question 30509
JEE Physics · Medium

Center of Mass, Momentum and Collision: COM — Three Bodies MCQ

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COM — Three BodiesMediumQuestion 30509

Question

Three particles: 1 kg at (0,0), 2 kg at (3,0), 3 kg at (0,4). The y-coordinate of the COM is:
  1. A
    0
  2. B
    1
  3. C
    2
    Correct
  4. D
    4/3

Correct answer

2

Explanation

y_cm = (1×0 + 2×0 + 3×4)/(1+2+3) = 12/6 = 2 m.

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