The first law of thermodynamics is a restatement of the conservation of
A) momentum.
B) energy.
C) electric charge.
D) all of the above
E) none of the above
Answer: B
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Which of the following planets has NOT yet been studied with an orbiter?
A) Saturn B) Mars C) Uranus D) Venus
If the velocity of an object is zero at some point, then its acceleration must also be zero at that point
A) True B) False
When there is a 5.00 A current through an 10.0-? device, how much power is being dissipated in the device?
A) 50.0 W B) 250 W C) 500 W D) 2.50 kW
Which of these is considered true about the mass of the neutrino?
a. It is the same as the mass of an electron or positron. b. It is the same as the mass of a nucleon. c. It is the same as the mass of an alpha particle. d. It is zero. e. It is slightly more than zero, but less than an electron.