Thursday
November 27, 2014

Homework Help: physics

Posted by myra on Sunday, May 27, 2012 at 5:58pm.

An 8.0 kg puck floating on an air table is travelling east at 15 cm/s. Coming the other way at 25 cm/s is a 2.0 kg puck on which is affixed a wad of bubble gum. The two slam head-on into each other and stick together. Find their velocity after the impact. How much kinetic energy was lost?

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