Processes in which one type of quark is converted into another type of quark involve which force?
a. electromagnetic
c. weak force
b. strong force
d. gravitational
C
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Uniform Circular Motion: Sarah drives at a constant speed of 15 m/s around a circular horizontal curve of diameter 60 m. What are the magnitude and direction of her acceleration?
What will be an ideal response?
Which phenomenon shows that quanta of light, or photons, exist?
a. Diffraction b. Polarization c. The photoelectric effect d. Interference
The true masses of a spectroscopic binary cannot be found by astronomers
Indicate whether the statement is true or false
The lunar maria are
a. the lava plains of the lunar lowlands. b. the smooth plateaus of the lunar highlands. c. less than one billion years old. d. moving plates of lunar crust. e. older than the lunar highlands.