Galileo's observations of the phases of ________ could not be explained by Ptolemy's epicyclic model
Fill in the blank(s) with correct word
Venus
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First Law of Thermodynamics: A monatomic ideal gas undergoes an isothermal expansion at 300 K, as the volume increased from 0.050 m3 to 0.150 m3. The final pressure is 130 kPa. How much heat is transferred to the gas during this expansion? (R = 8.31 J/mol ? K)
A. 21 kJ B. 11 kJ C. -21 kJ D. -11 kJ E. 0 kJ
Most of the carbon dioxide on Venus
A) has frozen out in the polar regions B) is dissolved in oceans of liquid water, forming carbonate rocks C) is still present in the atmosphere D) has escaped into space
The change in momentum of an object is equal to the
A) force acting on it. B) change in its velocity. C) object's mass times the force acting on it. D) impulse that acts on it. E) all of the above
An 8 000-kg aluminum flagpole 100-m long is heated by the sun from a temperature of 10°C to 20°C. Find the work done (in J) by the aluminum if the linear expansion coefficient is 24 × 10^?6 (°C)?1 . (The density of aluminum is 2.7 × 10^3 kg/m3 and 1 atm = 1.0 × 10^5 N/m2.)
a. 287 b. 425 c. 213 d. 710 e. 626