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Question

A body of mass 'm' and velocity 'u' strikes a wall and rebounds with velocity 'v'. The change in momentum is:
  1. m(vu)
  2. m(uv)
  3. m(v+u)
  4. none of these

A
m(vu)
B
m(uv)
C
none of these
D
m(v+u)
Solution
Verified by Toppr

Given : u=u^x v=v^x
Thus change in momentum ΔP=m(vu)
ΔP=m(vu)=m(u+v) ^x

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