One year
a) has more sidereal days than solar days.
b) has more solar days than sidereal days.
c) always has exactly 365 sidereal days.
d) is based entirely on Earth's rotation rate.
a
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Energy Levels: The energy difference between adjacent orbit radii in a hydrogen atom
A. increases with increasing values of n. B. decreases with increasing values of n. C. remains constant for all values of n. D. varies randomly with increasing values of n.
In a reflecting telescope the primary is a _______
a. prism b. mirror c. lens d. diffraction grating e. photographic plate
What inductance is needed in series with a 4.7-?F capacitor so the circuit will oscillate at a frequency of 10 kHz?
A) 21 ?H B) 54 ?H C) 4.7 mH D) 5.4 mH
Hoe can you determine your latitude if you live anywhere above the equator
a) Your latitude will be approximately equal to the angular separation of the pointer stars in the Big Dipper b) Your latitude will be approximately the angular separation of the Sun and the Moon c) Your latitude will approximately the altitude of Polaris