At what Fahrenheit temperature are the Kelvin and Fahrenheit temperatures numerically equal?
574.6°F = 574.6 K
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The force exerted on a body by moving air is proportional to the projected area of the body. Which falling body will have the larger terminal velocity, a flying squirrel with its wing membranes extended or a grey squirrel with the same mass?
A. Both will have same terminal velocity B. The flying squirrel C. The grey squirrel
First Law of Thermodynamics: A sealed rigid tank contains 29 moles of an ideal gas, at an initial temperature of 270 K. The pressure of the gas is increased until the final pressure equals 1.90 times the initial pressure. The heat capacity at constant pressure of the gas is 24.0 J/mol ? K. How much heat is absorbed by the gas during this process? (R = 8.31 J/mol ? K)
A. 110 kJ B. 170 kJ C. 230 kJ D. -52 kJ E. 7.0 kJ
The pressure exerted by a gas is the result of
a. the Bernoulli effect. b. molecular collisions. c. Pascal's principle. d. the ideal gas law. e. none of the above.
The phase of the Moon that one observes on the overhead meridian at 10 P.M. local time is a ______________ moon
a. waxing crescent b. waning crescent c. waxing gibbous d. waning gibbous