If the temperature of a quantity of ideal gas increases, then

a. the number of molecules must increase.
b. the pressure must increase.
c. the volume must increase.
d. the product of the pressure and volume must increase.


d

Physics & Space Science

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Consider the four U.S. non-renewable energy resources: gas, oil, coal, uranium without recycling for plutonium recovery. Assuming that we used each of these for a major portion of our energy needs, for which ones would domestic U.S

resources run out within some 50 years, and which ones does the United States have in much greater abundance? A) The United States is running out of gas and oil, but has abundant coal and uranium. B) The United States is running out of all four. C) The United States is running out of gas, oil, and uranium, but has abundant coal. D) The United States has abundant supplies of all four of these resources. E) The United States is running out of gas, oil, and coal, but has abundant uranium.

Physics & Space Science

At t = 0 the switch S is closed with the capacitor uncharged. If C = 30 ?F, ? = 30 V, and R = 5.0 k?, at what rate is energy being stored in the capacitor when I = 2.0 mA?



a.
32 mW

b.
40 mW

c.
44 mW

d.
36 mW

e.
80 mW

Physics & Space Science

The red shifts of the galaxies imply that the universe is expanding and that we are at the center

Indicate whether the statement is true or false

Physics & Space Science

The special theory of relativity sets a limit on speed. Does it set a limit on energy?

A) Yes B) No

Physics & Space Science