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Physics
A particle of mass m moving with velocity v strikes a stationary particle of mass 2 m and sticks to it. The speed of the system will be:
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Q. A particle of mass m moving with velocity v strikes a stationary particle of mass 2 m and sticks to it. The speed of the system will be:
JIPMER
JIPMER 2001
Work, Energy and Power
A
$ 3\upsilon $
B
$ \upsilon /3 $
C
$ 2\upsilon $
D
$ \upsilon /2 $
Solution:
Applying law of conservation of momentum $ m\upsilon =(m+2m)\,{{\upsilon }_{1}} $ so, $ {{\upsilon }_{1}}=\frac{\upsilon }{3} $