Homework Help: physics

Posted by zianna on Thursday, August 30, 2012 at 12:09pm.

The ballistic pendulum is a device used to measure the speed of a fast-moving projectile such as a bullet. The bullet is fired into a large block of wood suspended from some light wires. The bullet is stopped by the block, and the entire system swings up to a height h. It is possible to obtain the initial speed of the bullet by measuring h and the two masses. Assuming that the mass of the bullet is 5.00g, the mass of the pendulum is 1.00kg, and h id 5.oocm. Find the intial speed of the bullet. (v1=199 m/s)

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