If the position versus time graph of an object is a vertical line, the object is
A)
moving with constant non-zero speed.
B)
moving with constant non-zero acceleration.
C)
at rest.
D)
moving with infinite speed.
E)
none of the above
Question 2
For a diatomic quantum mechanical rotator, the energy difference between adjacent energy levels
A)
increases as L increases.
B)
decreases as L increases.
C)
is constant for all L.
D)
varies randomly as L increases.