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March 27, 2015

Homework Help: physics

Posted by ZU on Sunday, August 25, 2013 at 2:51am.

A ballistics pendulum is a device used to measure the speed of a fast moving projectile such as a bullet. A bullet of mass 5g is fired into a large block of wood of mass 1.5kg suspended from some light wires. The bullet is stopped by the block and the entire system swings through a vertical distance of 5cm. Find the initial speed of the bullet.
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