A 100 kg mass has a density of 2000 
If the volume is decreased by 2% due to compression, then the density is
A. 3,010 
B. 2,940
C. 2,520
D. 2,440
E. 2,040
E. 2,040
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The circuit below contains three resistors, A, B, and C, which all have equal resistances. The emf ? = 110V. Which resistor generates the most thermal energy after the switch is closed?
A. A B. B C. C D. A and B E. All three generate equal amounts of thermal energy.
Organic chemistry studies chemical compounds that contain at least one atom of
a. nitrogen. b. oxygen. c. carbon. d. hydrogen. e. silicon.
The intensity of a sunspot is found to be 3 times smaller than the intensity emitted by the solar surface. What is the approximate temperature of this sunspot if the temperature of the solar surface is 5800 K?
a. 4400 K b. 470,000 K c. 1900 K d. 7600 K e. 1400 K
A rock has a density of 2 g/cm3. If another rock has twice as much mass but the same volume, its density must be ________ g/cm3.
A. 0.5 B. 2 C. 8 D. 4