You fire a bullet into a 3 kg wooden block attached to a spring with spring constant 70 N/m. When the bullet strikes the block, the spring compresses. The bullet has a mass of 0.03 kg and strikes the block with a speed of 200 m/s. a. What is the speed of the block and bullet when they first start moving together? (8 points) b. What is the maximum compression of the spring? (7 points)