If the velocity of an object is zero, then that object cannot be accelerating
A) True B) False
B
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Which two circuits are exactly equivalent?
A. A and B B. B and C C. C and D D. D and E E. B and E
You are driving a late model convertible car at the 65 mph speed limit with its soft flexible roof closed up and the windows closed. You observe that the roof
A) bows inward. B) is no different from when the car was at rest. C) bows outward. D) bows inward only when you are driving uphill. E) bows inward only when you are driving downhill.
On a cold day your feet feel warmer on a rug than on a tile floor because a rug
A) is usually warmer than tile. B) is a poorer conductor. C) for the same mass has more internal energy than tile. D) all of the above E) none of the above
Light having a frequency in vacuum of 6.0 × 1014 Hz enters a liquid of refractive index 2.0. In this liquid, its frequency will be
A) 12 × 1014 Hz B) 6.0 × 1014 Hz C) 3.0 × 1014 Hz D) 1.5 × 1014 Hz E) None of the above choices are correct.