Posted by Steve on Wednesday, February 16, 2011 at 9:52pm.
A 4.5 g dart is fired into a block of wood with a mass of 23.8 g. The wood block is initially at rest on a 1.3 m tall post. After the collision, the wood block and dart land 3.6 m from the base of the post. Find the initial speed of the dart.

Physics  Anonymous, Thursday, May 15, 2014 at 8:34pm
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