A(n) ____________________ is the distance that light would travel in one year?
Fill in the blank(s) with correct word
light-year
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A mass is bouncing on the end of a spring with a period T when measured by a ground observer. What would the period of oscillation be (as measured by the same observer) if the mass and spring were moving past the ground observer at a speed of 0.600c?
a. 0.440 T b. 1.25 T c. 0.600 T d. 1.67 T
The area in the enclosed rectangle in the false-color map of sea surface temperatures is an example of which of the following features?
a. El Nino conditions b. Eddies c. Monsoons d. Cyclones e. Upwelling
Which of the following appears least important in the evolution of life here?
A) the magnetic field of the Earth B) the correct distance from the Sun C) an Earth-like atmosphere D) the presence of water and carbon atoms E) the stable luminosity of the Sun for billions of years
An asteroid is in orbit at 4 times the Earth's distance from the Sun. What is its period of revolution?
a. one fourth year b. 4 years c. 8 years d. 16 years