The Zeeman effect can be used to determine the _______ our Sun and other stars
a. rotation speed of
b. mass of
c. color of
d. magnetic field on
e. radial velocity toward or away from
d
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According to the special theory of relativity, which of the following happens to the length of an object, measured in the dimension parallel to the motion of its inertial frame of reference, as the velocity of this frame increases with respect to a stationary observer?
a. length increases b. length decreases c. length remains constant d. length vanishes to zero when velocity equals half speed of light
A newton is larger than a pound
Indicate whether the statement is true or false
Because the poles of Uranus spend 42 years in darkness, the temperatures between the northern and southern hemispheres of Uranus differ by as much as hundreds of Kelvins, depending on where Uranus is in its orbit
Indicate whether the statement is true or false
A 100 gram aluminum container is at 
grams of water at 
is added to the aluminum container. What is the final temperature of the water and the aluminum? (specific heat of water
specific heat of aluminum 
A. 58.3
B. 63.6
C. 68.5
D. 73.1
E. 83.3