A more powerful engine can do more work in less time like an aeroplane travel more distance as compare to a car in less time. So aeroplane is more powerful than a car. It is an example of which of the following ?

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. Force B. Energy C. Friction D. Power

A. Chemical energy B. Potential energy C. Kinetic energy D. Heat energy