Homework Help: physics

Posted by phethile dlamini on Wednesday, February 15, 2012 at 8:49am.

a car of mass 1600kg,travelling at a speed of 30ms to the left,collides head-on with 0ms to the right,the two vehicles move together as a unit in a straight line after the collision.calculate the velocity of the two vehicles after collision.2.do the necessary calculation to show that the collision ws inelastic.

physics - Damon, Wednesday, February 15, 2012 at 10:01am
M1 Vi + 0 = (M1+M2)V

if (1/2)M1 Vi^2 > (1/2)(M1+M2)V^2
then energy was lost as heat in the nasty crash.

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