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Solution 16.6

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(New page: Using <math>{{m}_{A}}{{\mathbf{v}}_{A}}+{{m}_{B}}{{\mathbf{v}}_{B}}={{m}_{A}}{{\mathbf{u}}_{A}}+{{m}_{B}}{{\mathbf{u}}_{B}}</math> and <math>{{\mathbf{u}}_{A}}={{\mathbf{u}}_{B}}</math>...)
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Revision as of 17:37, 23 September 2010

Using

mAvA+mBvB=mAuA+mBuB

and

uA=uB

2(9i+5j)+3(3i+4j)=(2+3)v18i+10j9i+12j=5vv=59i+22j=(1.8i+4.4j) ms-1