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December 21, 2014

December 21, 2014

Posted by **Sarah** on Sunday, January 13, 2008 at 10:22pm.

a) what is the speed of the 5 kg block immediately after the collision?

b) By how much does the total kinetic energy of the system of the 2 blocks change because of the collision?

c)suppose, instead, that the 10 kg block ends up with a speed of 4 m/s. what then is the change in total KE?

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