Since the mass of an object is the same for all observers, it is a relativistically ____________ quantity
Fill in the blank(s) with correct word
invariant
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A car is driven 1200 m north at 20.0 m/s and then driven 1600 m east at 25.0 m/s. What are the magnitude and direction of the displacement for this trip?
A. 1400 m, northeast B. 2000 m, 36.9° north of east C. 2000 m, 53.1° north of east D. 2800 m, 36.9° east of north E. 2800 m, 53.1° east of north
Suppose that the energy difference between adjacent energy levels for an oscillator in an Einstein solid is ? = 0.005 eV. At room temperature, the value of T/TE is
A. quite a bit smaller than 1 B. about equal to 0.5. C. about equal to 1. D. about equal to 2. E. quite a bit larger than 2. F. One doesn’t have enough information to tell.
If the carbon dioxide in Earth's rocks were suddenly released into its atmosphere, what would happen?
a. It would rapidly escape into space. b. It would dissociate into carbon and oxygen. c. It would collect as ice on the north and south poles. d. It would cause a runaway greenhouse effect.
What is the acceleration due to earth's gravity at a distance of one earth radius above earth's surface?
a. 10 m/s² b. 5 m/s² c. 20 m/s² d. 2.5 m/s²