Work Energy And Power Question 110

Question: A bullet of mass 50 gram is fired from a 5 kg gun with a velocity of 1km/s. the speed of recoil of the gun is [JIPMER 1999]

Options:

A) 5m/s

B) 1m/s

C) 0.5m/s

D) 10m/s

Show Answer

Answer:

Correct Answer: D

Solution:

According to conservation of momentum mBvB+mGvG=0

therefore vG=mBvBmG

vG=50×103×1035=10m/s



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