Quasars are most common with redshifts
a. less than 0.1
b. less than 0.5
c. of about 2
d. greater than 6
e. greater than 8
c
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The moon has an angular diameter of 0.5°. What is the moon's angular diameter in minutes of arc?
a. 0.5 b. 30 c. 50 d. 1800 e. 60.5
The ____ of the Moon and Sun vary slightly because the orbits of the Moon and Earth are slightly elliptical
a. angular distance b. linear diameter c. linear distance d. angular diameter e. angular momentum
A rod with a diameter of 2.00 mm projects 20.0 mm horizontally outward from a wall. A 10.0 N weight is hung from the end of the rod and the rod deflects downward by 
The shear modulus of the rod is
a. 
b. 
c. 
d. 
e. 
What units do most electric companies bill in?
a. joule-hours b. kilowatt-hours c. ohm-hours d. ampere-hours e. watts per ampere