Exclusion Principle: Which of the following values can be taken by the electron spin quantum number, ms?
A. ±1/2
B. 0
C. ±1
D. ±2
E. ±3
Answer: A
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Kepler's Laws: The planet Jupiter is 7.78 × 1011 m from the sun. How long does it take for Jupiter to orbit once about the sun given that the distance from the earth to the sun is 1.50 × 1011 m?
A. 2.3 years B. 5.2 years C. 6.0 years D. 12 years E. 27 years
An ac series circuit consists of a voltage source, an 880-? resistor, and an inductance L
(There is no capacitance in the circuit.) The current amplitude is 0.60 A, and the phase angle between the source voltage and the current has a magnitude of 41° (a) Does the source voltage lag or lead the current? (b) What is the voltage amplitude of the source?
If you do 10 J of work to push 1 coulomb of charge into an electric field, its voltage with respect to its starting position is
A) less than 10 V. B) 10 V. C) more than 10 V. D) none of the above
"Weightlessness" occurs when an object
a. has zero acceleration. b. is in free fall. c. is midway between Earth and the Moon. d. loses weight.