As shown in Fig. 8-2, a 15-g bullet is fired horizontally into a 3.000-kg block of wood

Question:

As shown in Fig. 8-2, a 15-g bullet is fired horizontally into a 3.000-kg block of wood suspended by a long cord. The bullet lodges in the block. Compute the speed of the bullet if the impact causes the block (and bullet) to swing 10 cm above its initial level. 15 g 3.000 kg Fig. 8-2 10 cm