What is the probability of rolling either a 7 or 11 on a single roll of a pair of dice?
a. 1/6
b. 2/9
c. 3/8
d. 1/3
e. 1/2
B
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Which of the following is an assumption rather than a prediction of Einstein's special theory of relativity?
A) the constancy of the speed of light B) No material object can reach or exceed the speed of light. C) time dilation D) the equivalence of mass and energy E) length contraction
In terms of axial tilt, which of the jovians shows us the largest inclination?
A) Jupiter B) Saturn C) Uranus D) Neptune E) Pluto
A black hole can be thought of as
a. a very massive object of finite size. b. a shell of material expanding from a white dwarf. c. a massive body of infinitely small size. d. a burnt out white dwarf.
An ideal gas at STP is first compressed until its volume is half the initial volume, and then it is allowed to expand until its pressure is half the initial pressure. All of this is done while holding the temperature constant
If the initial internal energy of the gas is U, the final internal energy of the gas will be A) U. B) 2U. C) U/2. D) U/3. E) U/4.