ABOUT THEIR COMMON VELOCITY

Asked by  | 26th Aug, 2012, 11:04: AM

Expert Answer:

we have to use the principal of conservation of momentum:
let the common velocity be v
 
(500+1500)v=500(4)+1500(2)
v=2.5m/s

Answered by  | 26th Aug, 2012, 02:34: PM

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