Average power is defined as:
rate of change of momentum
rate of change of speed
rate of doing work
rate of change of acceleration
Average power is defined as the ratio of the total energy/work done and total time.
Acceleration is defined as the rate of change of:
Which of the following statements are correct about power? 1. It is the rate of change of momentum. 2. It is the rate of change of force. 3. It is the rate of doing work. 4. The S.I. unit of power is watt.