1) A 35 gram (.035 kg) bullet strikes a 5 kg wooden block and embeds itself in the block. The block and bullet fly off together at 8.6 m/sec. What was the original velocity of the bullet?
2) A 35 gram bullet moving at 475 m/s strikes a 2.5 kg wooden block. The bullet passes through the block, leaving at 275 m/s. The block was at rest when it was hit. How fast is it moving when the bullet leaves?
2) A 35 gram bullet moving at 475 m/s strikes a 2.5 kg wooden block. The bullet passes through the block, leaving at 275 m/s. The block was at rest when it was hit. How fast is it moving when the bullet leaves?