The potential energy of a pendulum is greatest
A) when its potential energy is least.
B) at the top of its swing.
C) at the bottom of its swing.
D) when its total energy is greatest.
Correct Answer:
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Q26: We define the total mechanical energy of
Q27: The energy of position is called
A) potential
Q28: Power is
A) the time rate of doing
Q29: Mechanical energy
A) is always the total energy
Q30: Which of the following four objects has
Q32: Power is
A) work divided by time.
B) velocity
Q33: The energy of a system
A) always increases.
B)
Q34: Which of the following four objects has
Q35: One _ is equal to one joule
Q36: A system may
A) be isolated.
B) have real
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