By locating the north celestial pole (NCP) in the sky, how can you determine your latitude?
A) The altitude of the NCP is your angular distance from the North Pole.
B) The direction of the NCP is the angular distance from the North Pole.
C) The direction of the NCP is the same as your latitude.
D) The altitude of the NCP is the same as your distance from the North Pole.
E) The altitude of the NCP is the same as your latitude.
E
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When an air mass passes from a maritime source region to a warmer continental region, heating from the warmer land causes
A) frontal lifting. B) orographic lifting. C) convectional lifting. D) adiabatic lifting.
Suppose you see two stars: a blue star and a red star. Which of the following can you conclude about the two stars? Assume that no Doppler shifts are involved. (Hint: Think about the laws of thermal radiation.)
A) The red star is more massive than the blue star. B) The blue star is more massive than the red star. C) The blue star is farther away than the red star. D) The blue star has a hotter surface temperature than the red star. E) The red star has a hotter surface temperature than the blue star.
Naturally radioactive nuclei can decay spontaneously by emitting the following particles:
a. helium nuclei, electrons, photons b. electrons, neutrons, protons c. helium nuclei, electrons, protons d. electrons, neutrons, photons e. quarks and leptons
The fourth harmonic of a complex tone has a frequency of 600 Hz. What is the frequency of the tone?