Whitney says that Gauss's law can be used to find the electric field of a sufficiently symmetrical distribution of charge as long as 
over the whole Gaussian surface. Algie says that the electric field must be a constant vector over the entire Gaussian surface. Which one, if either, is correct?
A.
B.
.C.
D.
holds only over a portion of the Gaussian surface.E.
anywhere on the surface.Answer: D
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Which major atmospheric component is chiefly a product of life processes?
A) Carbon dioxide B) Water C) Oxygen D) Hydrogen sulfide E) Nitrogen
Jupiter and Saturn are so massive they were able to grow by drawing in cool gas by _______________ from the solar nebula
Fill in the blank(s) with correct word
In a positively-curved Universe (the surface of Earth has positive curvature), the angles of a triangle add up to
A. exactly 180 degrees. B. less than 180 degrees. C. more than 180 degrees.
Calorimetry: Two experimental runs are performed to determine the calorimetric properties of an alcohol which has a melting point of -10°C. In the first run, a 200-g cube of frozen alcohol, at the melting point, is added to 300 g of water at 20°C in a styrofoam container. When thermal equilibrium is reached, the alcohol-water solution is at a temperature of 5°C. In the second run, an identical cube of alcohol is added to 500 g of water at 20°C and the temperature at thermal equilibrium is 10°C. The specific heat capacity of water is 4190 J/kg ? K. Assume no heat is exchanged with the styrofoam container and the surroundings. What is the specific heat capacity of the alcohol?
A. 1700 J/kg ? K B. 1900 J/kg ? K C. 2100 J/kg ? K D. 2300 J/kg ? K E. 2500 J/kg ? K