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Question 30550
JEE Physics · Medium

Center of Mass, Momentum and Collision: COM Height MCQ

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COM HeightMediumQuestion 30550

Question

A system has 2 kg at height 1 m and 3 kg at height 3 m. Height of COM is:
  1. A
    2 m
  2. B
    2.2 m
    Correct
  3. C
    2.4 m
  4. D
    1.8 m

Correct answer

2.2 m

Explanation

y_cm = (2×1 + 3×3)/(2+3) = (2+9)/5 = 11/5 = 2.2 m.

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