A particle of mass m moving with velocity u makes an elastic one dimensional collision with a stationary particle of mass m. They are in contact for a very short time T. Their force of interaction increases from zero to F 0 linearly in time T/2, and decreases linearly to zero in further time T/2. The magnitude of F 0 is
A
B
C
D
None of these
Text Solution
Verified by ExpertsThe correct answer is:
B
In elastic one dimensional collision particle rebounds with same speed in opposite direction
i.e. change in momentum 
But Impulse 
Change in momentum
⇒ ⇒ 
⇒ ⇒ 
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