White dwarfs like Sirius B are typically the size of ________
Fill in the blank(s) with correct word
Earth
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What is the inductive reactance of a 20-mH inductor at a frequency of 60 Hz?
A) 7.5 ? B) 0.13 ? C) 1.2 ? D) 1.2 m? E) 7.5 m?
An aluminum ball is subjected to a pressure of 
The bulk strain is 
What is the bulk modulus?
a. 
b. 
c. 
d. 
e. 
According to our present theory of solar system formation, which of the following lists the major ingredients of the solar nebula in order from the most abundant to the least abundant?
A) hydrogen and helium gas; rock; metal; hydrogen compounds B) hydrogen and helium gas; hydrogen compounds; rock; metal C) hydrogen, water, methane, helium D) hydrogen compounds; hydrogen and helium gas; metal; rock
Which best describes the image of a concave mirror when the object is located somewhere between the focal point and twice the focal point distance from the mirror?
a. virtual, upright and magnification greater than one b. real, inverted and magnification less than one c. virtual, upright and magnification less than one d. real, inverted and magnification greater than one