The ballistic pendulum (see Figure) 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 embeds in 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.   Given:   Mass of bullet, m1, is 5.00 g Mass of pendulum, m2, is 1.000 kg Vertical displacement of pendulum after bullet hits is, h, is 5 cm   What is the initial speed of the bullet before it hits the wooden block pendulum?   a. 199 m/s b. 239 m/s c. 403 m/s d. 495

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