A ball of mass 
moving with a horizontal velocity 
strikes the bob of a pendulum at rest. Mass of the bob of the pendulum is also 
. During this collision, the ball sticks with the bob of the pendulum. The height to which the combined mass rises will be ( 
acceleration due to gravity)
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
B
From the law of conservation of momentum,
and we know that, 
Here, 
So, 
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