Consider the events A, B, C, and D shown in the space time diagram below. What is the space time interval between events A and B?
A. 0 s
B. 2 s
C. 3 s
D. 4 s
E. 5 s
F. Other (specify)
D. 4 s
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The number of protons in a nucleus is the
a. mass number. b. neutron number. c. atomic number. d. isotope number. e. none of the above
Which of the following celestial bodies has the greatest influence on Earth's tides?
A. Moon B. Sun C. Venus D. Jupiter
A proton is accelerated from rest through a potential difference of 2.5 kV and then moves perpendicularly through a uniform 0.60-T magnetic field. What is the radius of the resulting path?
A. 15 mm B. 12 mm C. 18 mm D. 24 mm E. 8.5 mm
Exclusion Principle: Consider ground-state helium having two electrons in orbit. If one of the electrons has quantum numbers (n, ?l, m1, ms) of 1, 0, 0, -1/2 respectively, the quantum numbers for the other electron will be
A. 1, 1, 0, -1/2. B. 1, 0, 0, +1/2. C. 1, 1, 1, +1/2. D. none of the given answers.