Molecular Rotation: In its lowest quantum state, a diatomic quantum mechanical rotator has a rotational energy of
A. zero.
B. 
.
C. 
.
D. none of the given answers.
Answer: A
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Banked Curves: When a car goes around a banked circular curve at the proper speed speed for the banking angle, what force cause it to follow the circular path?
A. the normal force from the road B. the friction force from the road C. gravity D. No force causes the car to do this because the car is traveling at constant speed and therefore has no acceleration.
The maximum permissible workday dose for occupational exposure to radiation is 26 mrem
A 55-kg laboratory technician absorbs 3.3 mJ of 0.40-MeV gamma rays in a workday. The relative biological efficiency (RBE) for gamma rays is 1.00. What is the ratio of the equivalent dosage received by the technician to the maximum permissible equivalent dosage? A) 0.32 B) 0.30 C) 0.25 D) 0.23 E) 0.28
Mercury features long, steep cliffs in its crust called "scarps" which probably formed
A. by erosion from high solar winds. B. like giant wrinkles as the crust cooled and shrank. C. after impacts from a planetesimal or asteroid. D. as plates of crust shifted as a result of massive earthquakes at a fault. E. from floods of running water left to evaporate after comet impacts.
Time Dilation: Astronaut Rachel leaves Earth in a spaceship at a speed of 0.960c relative to an observer on Earth. Rachel's destination is a star system 14.4 light-years away (one light-year is the distance light travels in one year). According to Rachel, how long does the trip take?
A. 14 years B. 15 years C. 11 years D. 4.2 years E. 23 years