One ______________ is equal to one joule per second.
A) kilogram
B) newton
C) pound
D) watt
Correct Answer:
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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)
Q34: Which of the following four objects has
Q36: A system may
A) be isolated.
B) have real
Q37: One watt is equal to _ per
Q38: The energy of a system
A) always increases.
B)
Q39: If you lift a 15-N weight vertically
Q40: Which of the following four objects has
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