in my 3rd question how does it come as 0- (4*6) = -24kgm/s i thought it would be m*v= 24
Asked by
| 28th Jul, 2012,
02:56: PM
Expert Answer:
you need to find the momentum change.
and as i made a note there, about taking which direction as negative.
Answered by
| 28th Jul, 2012,
03:38: PM
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