The length of a telescope is 2.00 m and the focal length of the objective is 2.0 cm. What is the focal length of the eyepiece?
A) 200 cm
B) 202 cm
C) 101 cm
D) 2.0 cm
E) 198 cm
E
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Star A has the peak of its blackbody radiation at lA. Star B has its peak at lB, which is one-third that of lA. If Star A's surface temperature is TA, how does the surface temperature TB of Star B compare?
a. TB = TA/9 c. TB = 9 TA b. TB = 3 TA d. TB = TA/3
When you stand at rest on a pair of bathroom scales, the reading on each scale
A) is half your weight. B) equals your weight. C) add up to equal your weight.
The jovian planets in our solar system are ________
A) Jupiter, Saturn, Uranus, and Neptune B) Mercury, Venus, Earth, and Mars C) Io, Europa, Ganymede, and Callisto D) Pluto and Eris
Seawater has a density of 1,025 
at the surface. The bulk modulus of seawater is 
What is the density of seawater at a depth of 10.00 km?
A. 1074 
B. 1230
C. 1574
D. 1764
E. 1973