Laws Of Motion Question 46

Question: A body of mass 0.25 kg is projected with muzzle velocity 100ms1 from a tank of mass 100 kg. What is the recoil velocity of the tank[AFMC 1996]

Options:

A) 5ms1

B) 25ms1

C) 0.5ms1

D) 0.25ms1

Show Answer

Answer:

Correct Answer: D

Solution:

Using law of conservation of momentum, we get 100×v=0.25×100

therefore v=0.25m/s



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