Mechanical energy
A) is the automobile energy.
B) is the sum of kinetic and potential energies.
C) is the kinetic energy.
D) is the potential energy.
Correct Answer:
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Q18: A joule per second (J/s) is a
A)
Q19: Which of the following is a vector
Q20: The kinetic energy of a pendulum is
Q21: One watt is equal to one joule
Q22: Which of the following is not a
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
Q28: Power is
A) the time rate of doing
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