Consider two charged spheres, one with charge +2 C and the other with -2 C. A proton (a positively charged particle) is at the point halfway between the spheres. What is not zero?
a. the potential energy of the proton
b. the work to move the proton from infinity to that point
c. the force on the proton
d. all of the three above are zero
C
You might also like to view...
The order of evolutionary stages of a star like the Sun would be Main Sequence, giant, planetary nebula, and finally
A) hypernova. B) neutron star. C) white dwarf. D) nova. E) black hole.
Molecular Rotation: A diatomic molecule has 2.6 × 10-5 eV of rotational energy in the L = 2 quantum state. What is its rotational energy in the L = 1 quantum state? (1 eV = 1.60 × 10-19 J, h = 6.626 × 10-34 J ? s)
A. 3.4 × 10-6 eV B. 5.3 × 10-6 eV C. 7.8 × 10-6 eV D. 8.7 × 10-6 eV
What are the strengths and limitations of the transit method?
What will be an ideal response?
A completely submerged object always displaces its own
A) volume of fluid. B) weight of fluid. C) density of fluid. D) all of the above E) none of the above