|1. Which of these expressions is the rate of change of momentum?
|2. One of Newton's laws of motion states that the rate of change of momentum is equal to ...
|3. A firework rocket accelerates for the first few seconds and gains height above the ground. Which of the following best describes the energy changes taking place at this point?
4. The graph shows the force required to stretch a steel cable.
What work has been done stretching the cable by 2 cm?
|5. Momentum is defined as ..
6. A small steel ball of mass m is fired at a solid wall at a speed v. It rebounds at a speed of v/2.
The total momentum change is:
|7. An inelastic collision is one in which..
|8. A 20g bullet hits a 40g stationary block of wood at 60ms-1 and remains embedded in the wood. What is the final velocity of block and bullet?