Basic Postulates: One of Einstein's postulates in formulating the special theory of relativity was that the laws of physics are the same in reference frames that
A. accelerate.
B. move at constant velocity with respect to an inertial frame.
C. oscillate.
D. are stationary, but not in moving frames.
Answer: B
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The Doppler effect states that the motion of any object can
a. shift the wavelength of spectral lines. b. change the speed of light emitted from the object. c. enhance the chemical composition of the object. d. make the object appear hotter. e. make the object appear cooler.
The following images show four planets in our solar system. Rank these planets from left to right based on the number of moons that orbit them, from highest to lowest. (Not to scale.)
What will be an ideal response?
Why do white dwarf supernovae all have approximately the same maximum luminosity?
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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