Homework Help: physics

Posted by jenni on Tuesday, December 20, 2011 at 2:19pm.

when a 0.05kg bullet is fired into a block that is suspended by a long cord so that it can swing as a pendulum. if the block is displaced so that its centre of gravity rises by 0.10m,what was the speed of the bullet?

mass of block? - Damon, Tuesday, December 20, 2011 at 2:20pm
Need to know mass of the block to do conservation of momentum.

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