Two particles of masses 
and 
in projectile motion have velocities 
and 
respectively at time t = 0. They collide at time 
. Their velocities become 
and 
at time 
while still moving in air. The value of 
| is
Text Solution
Verified by ExpertsThe correct answer is:
C
The momentum of the two-particle system, at t = 0 is
Collision between the two does not affect the total momentum of the system.
A constant external force 
acts on the system.
The impulse given by this force, in time t = 0 to 
is 
∴ ∴ |Change in momentum in this interval
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