A particle of mass m is dropped from a height h above the ground. Simultaneously another particle of the same mass is thrown vertically upwards from the ground with a speed of 
. If they collide head-on completely inelastically, then the time taken for the combined mass to reach the ground is
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
B
The time for collision
After t 1 ,
At the time of collision
and height from ground
so time 
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