The average power is equal to which of the following?
A. Total time taken/total used energy
B. Total free energy/total used energy
C. Total time taken/distance travelled
D. Total used energy/total time
Answer: Option D
A. Total time taken/total used energy
B. Total free energy/total used energy
C. Total time taken/distance travelled
D. Total used energy/total time
Answer: Option D
Which of the following can do more work?
A. A raised hammer
B. A bullet fired by the gun
C. A moving stone
D. A rotating wheel
A. Energy released by a moving object
B. Energy emitted during mechanical work
C. The sum of the kinetic energy and potential energy of an object
D. Equal to the rate of work done
A. Chemical energy
B. Potential energy
C. Kinetic energy
D. Heat energy
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