A ball of mass 
, moving with a velocity of 
collides with another stationary ball. After the collision, the first ball moves with a velocity of 
in a direction making an angle of 
with its initial direction. The momentum of second ball after collision will be (in kg-m/s )
Text Solution
Verified by ExpertsThe correct answer is:
C
Let second ball moves with momentum P making an angle θ θ from the horizontal (as shown in the figure).
By the conservation of horizontal momentum
......(i)
By the conservation of vertical momentum 0.3 = 
.....(ii)
From (i) and (ii) we get P = 0.5 kg-m/s
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