Ohm's Law: For the graph shown in the figure, what physical quantity does the slope of the graph represent for ohmic material?
A. power
B. resistivity
C. 1/(resistivity)
D. resistance
E. 1/(resistance)
Answer: D
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As a spaceship's velocity gets closer to the speed of light
A) its length will increase and its clock will run more slowly. B) its length will decrease and its clock will run faster. C) its length will increase and its clock will run faster. D) its length will decrease and its clock will run more slowly. E) None of these will happen.
On a calm day (no wind), you can run a 1500-m race at a velocity of 4.0 m/s. If you ran the same race on a day when you had a constant tailwind of 2.0 m/s, the time it would take you to finish would be
A) 250 s. B) 9000 s. C) 1125 s. D) 750 s. E) 500. s.
According to the law of poles, like poles ______________
Fill in the blank(s) with correct word
A mineral that has a vitreous luster looks
a. glassy. b. metallic. c. earthy. d. pearly.