Potential Energy: A hydrogen atom consists of a proton and an electron. If the orbital radius of the electron increases, the electric potential energy of the electron due to the proton
A. increases.
B. decreases.
C. remains the same.
D. depends on the zero point of the potential.
Answer: A
You might also like to view...
Why are the rings of Saturn so bright?
A) They are made of young, fresh water ice. B) They are made of metallic iron, never rusted by exposure to oxygen. C) Light reflected off of gigantic Titan reinforces the sunlight. D) They are made of frozen metallic hydrogen. E) They are made of glassy beads expelled by the volcanoes of Enceladus.
A diatomic molecule consists of two point masses, m1 and m2, separated by a distance r. If x is the distance from m1 to the center of mass, find the moment of inertia in terms of x about an axis perpendicular to the molecular axis through the center of mass
a. 0 b. m1m2 r2/m1 + m2 c. m1(r ? x)2 + m2x2 d. m1x2 + m2(r ? x)2 e. m2x2 + m1r2
What does a breeder reactor "breed?"
A) more energy output than energy input B) fissionable isotopes from a non-fissionable isotopes C) more mass than it begins with D) all of the above E) none of the above
An engine on each cycle takes in 40. Joules, does 10. Joules of work, and expels 30. J of heat. What is its efficiency?
What will be an ideal response?