An isothermal process for an ideal gas is represented on a p-V diagram by:
A. a horizontal line
B. a vertical line
C. a portion of an ellipse
D. a portion of a parabola
E. a portion of a hyperbola
Ans: E. a portion of a hyperbola
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The lunar maria are
a. the lava plains of the lunar lowlands. b. the smooth plateaus of the lunar highlands. c. less than one billion years old. d. moving plates of lunar crust. e. older than the lunar highlands.
Newton's first law of motion was very similar to descriptions of motion proposed by _______________
Fill in the blank(s) with correct word
A 1200 kg car is traveling at 4.00 m/s and strikes a wall. The 1200 kg car bounces off the wall with a velocity of 4.00 m/s. If the contact with the wall by the car lasts for 0.100 seconds, then the impulse on the car is
A. 12,400 kg m/s. B. 10,200 kg m/s. C. 9,600 kg m/s. D. 8,400 kg m/s. E. 2,900 kg m/s.
Unpolarized light is passed through polarizer 1 . The light then goes though polarizer 2 with its plane of polarization at 35.8° to that of polarizer 1 . Polarizer 3 is placed after polarizer 2 . Polarizer 3 has its plane of polarization at 58.8° to the plane of polarization of polarizer 2 and at 94.6° to that of polarizer 1 . What fraction of the intensity of the original light gets though
the last polarizer? a. 0.177 b. 0.463 c. 0.232 d. 0.088 e. 0.021