If the speed of a moving object is doubled . . . . . . . .
A. Its potential energy is doubled
B. Its acceleration is doubled
C. Its momentum is doubled
D. Its kinetic energy is doubled
Answer: Option C
A. Its potential energy is doubled
B. Its acceleration is doubled
C. Its momentum is doubled
D. Its kinetic energy is doubled
Answer: Option C
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
Join The Discussion