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Question 30502
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Center of Mass, Momentum and Collision: COM — Equal Masses MCQ

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COM — Equal MassesEasyQuestion 30502

Question

Two equal masses are placed at coordinates (1, 0) and (3, 0). Their centre of mass is at:
  1. A
    (1, 0)
  2. B
    (2, 0)
    Correct
  3. C
    (3, 0)
  4. D
    (4, 0)

Correct answer

(2, 0)

Explanation

For equal masses, CM is at the midpoint: x = (1+3)/2 = 2, y = 0.

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