If a bullet is fired from the gun, comes backwards, what will be the kinetic energy of the gun?
A. Equivalent to bullet
B. Zero
C. More than the bullet
D. Less than the bullet
Answer: Option D
A. Equivalent to bullet
B. Zero
C. More than the bullet
D. Less than the bullet
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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