Posted by Anonymous on Thursday, March 21, 2013 at 5:15pm.
A 10 g bullet is fired horizontally into a 1 kg block of wood hanging from a 1 m long string attached to the ceiling, getting stuck in the block. Due to the impact, the block then swings on the string to a maximum angle of 60 degrees with respect to the vertical. How fast was the bullet traveling in m/s?

PHYSICS  lei, Tuesday, March 18, 2014 at 12:02pm
281m/s

PHYSICS  jeb, Thursday, March 26, 2015 at 12:03pm
45
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