A rigid ball of mass m strikes a rigid wall at 60 
and gets reflected without loss of speed as shown in the figure. The value of impulse imparted by the wall on the ball will be
A
mV
B
2 mV
C
D
Text Solution
Verified by ExpertsThe correct answer is:
A
: Given,
Change in momentum of the ball
)
Here, 
Impulse imparted by the wall 
change in the momentum of the ball 
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