If the stable nuclei are plotted with neutron number vs. proton number, the curve formed by the stable nuclei does not follow the line N = Z. This is predicted by examining how the binding energy is influenced by
a. the volume of the nucleus.
b. the size of the nuclear surface.
c. the Coulomb repulsion.
d. the proton-neutron mass difference.
c
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A space station in the form of a large wheel, 120 m in diameter, rotates to provide an "artificial gravity" of 3.00 m/s2 for persons located at the outer rim. Find the rotational frequency of the wheel (in revolutions per minute) that will produce this effect
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
The most important quantity necessary for life to form appears to be the existence of ____________________ on the surface of the planet
Fill in the blank(s) with correct word
A 
cm rectangular piece of copper is at a temperature of 10.0
The coefficient of linear expansion of copper is 
If the temperature of the copper rectangle increases its temperature by 2.00
then what is the change in the area of the rectangular piece of copper?
A. 
B. 
C. 
D. 
E. 