A body of mass 2kg moving with a speed of 4m/s. makes an elastic collision with another body at rest and continues to move in the original direction but with one fourth of its initial speed. The speed of the two body centre of mass is 
. Then the value of x is
Text Solution
Verified by ExpertsThe correct answer is:
CHECK THE SOLUTION.
(25)
2x4=2x1+m 2 xv 2
by coefficient of restitution 
by (i) 
x=25
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