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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