In a situation where an object can move only along the x axis, you see this statement in a book: “The object’s velocity is v = (x ? x0) / t, where x is the object’s position at time t to the left or right of its position x0 at time t = 0.” Is being used here as a shorthand for 
(A) or vx (C)?
A. A
B. C
B. C
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Two capacitors, C1 and C2, are connected in series across a source of potential difference. With the potential source still connected, a dielectric is now inserted between the plates of capacitor C1. What happens to the charge on capacitor C2?
A) The charge on C2 increases. B) The charge on C2 decreases. C) The charge on C2 remains the same.
How much charge is on a conducting sphere of diameter 20
m if its surface potential is at 50 mV?
A.
B.
C.
D.
E.
What kind of telescope can be effectively used from the ground (i.e. it need not be in space)?
A) gamma-ray B) X-ray C) ultraviolet D) infrared E) radio
The mass of a galaxy can be estimated using Newton's modification of Kepler's Third law.
Answer the following statement true (T) or false (F)