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Posted by on Wednesday, November 14, 2007 at 3:00pm.

two objects collide when sliding on a fricitonless horizontal surface. Which quantity is conserved during their collision?
a) velocity
b) momentum of both objects
d) momentum of each object

isn't c) or b) correct? I really think it's c)

  • Physics - , Wednesday, November 14, 2007 at 3:02pm

    total momentum is conserved, b. Energy is usually lost in heat and change in entropy.

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