Laws Of Motion Question 255
Question: N bullets each of mass m kg are fired with a velocity at the rate of n bullets per second upon a wall. The reaction offered by the wall to the bullets is given by
Options:
A) nmv
B)
C)
D)
Show Answer
Answer:
Correct Answer: A
Solution:
Total mass of bullets = Nm, time
Momentum of the bullets striking the wall = Nmv Rate of change of momentum (Force) =