The diameter of a typical star (the Sun) is approximately ____ times larger than the diameter of a typical planet (the Earth)
a. 10
b. 100
c. 1000
d. 10,000
e. 100,000
b
Physics & Space Science
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The speed of light in a material is 0.50c. What is the critical angle of a light ray at the interface between the material and a vacuum?
A) 30° B) 21° C) 24° D) 27°
Physics & Space Science
A light bulb is rated at 30 W when operated at 120 V. How much charge enters (and leaves) the light bulb in 1.0 min?
a. 17 C b. 15 C c. 14 C d. 13 C e. 60 C
Physics & Space Science
Why is guayule particularly useful? Explain
What will be an ideal response?
Physics & Space Science
The energy in an earthquake is released
A) all at once. B) before the quake, after the quake, and during the quake. C) as an epicenter focus. D) in unconsolidated rock.
Physics & Space Science