Two stars of masses M and 6M are separated by a distance D. Determine the distance (measured from M) to a point at which the net gravitational force on a third mass would be zero
a. 0.41 D
b. 0.33 D
c. 0.37 D
d. 0.29 D
e. 0.14 D
D
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A satellite is in a low circular orbit about the Earth (i.e., it just skims the surface of the Earth). How long does it take to make one revolution around the Earth?
What will be an ideal response?
The point in the phase diagram where the vapor pressure curve ends is called the
A) critical point. B) triple point. C) melting point. D) boiling point. E) double point.
In which system is heat usually transferred from the cooler part to the warmer part?
a. a stove as it heats up water b. a refrigerator that is running c. an electric fan that is running d. none of the above, because it is impossible to transfer heat in this manner
An atom is said to have been ________ when it absorbs a photon with sufficient energy to free an electron
Fill in the blank(s) with correct word