Posted by Sandi on Saturday, December 11, 2010 at 1:02pm.
I have never know what a perfectly inelastic collision is. I do know what an inelastic collision is: Energy is NOT conserved. Ask your teacher this question, see if they know.
Momentum applies:
Now on this statement, conservation ofm momentum applies
momentum before=momentum after
along the path of the moving object..
1.4*15m/s+2*0=(6kg*V) assuming the objects are stuck together, the problem did not state that.
Now, you can consider energy:
initialKE after collision= change PEnergy
1/2 (6)V^2= (6)g height
where distancealongplane=hSin37
oops...
distancealongplane=h/sin37
where are you getting 6kg from?
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