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Laws of Motion: Conservation of Momentum MCQ

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Conservation of MomentumMediumQuestion 5427

Question

A rocket ejects gases at 500 m/s. If fuel consumption rate is 2 kg/s, the thrust force is:
  1. A
    250 N
  2. B
    1000 N
    Correct
  3. C
    500 N
  4. D
    2500 N

Correct answer

1000 N

Explanation

Thrust = v_exhaust × (dm/dt) = 500 × 2 = 1000 N.

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