Power is
A) the time rate of doing work.
B) the time rate of doing velocity.
C) the time rate of doing momentum.
D) the time rate of doing force.
Correct Answer:
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Q23: Mechanical energy
A) is the automobile energy.
B) is
Q24: Which of the following is not a
Q25: Potential-energy values may be
A) positive only.
B) negative
Q26: We define the total mechanical energy of
Q27: The energy of position is called
A) potential
Q29: Mechanical energy
A) is always the total energy
Q30: Which of the following four objects has
Q31: The potential energy of a pendulum is
Q32: Power is
A) work divided by time.
B) velocity
Q33: The energy of a system
A) always increases.
B)
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