Q1. The springs of a 1600 kg car compress 5.0 mm when its 65 kg driver gets into the driver's seat. If the car goes over a bump, what would be frequency of vibrations?
Q2 Assume a 55.0 kg ice-skater, who was initially at rest, fires a 2.50 kg gun. The 0.055 kg bullet leaves the gun at a velocity of 555.0 m/s. What is the velocity of ice-skater after she fires the gun?