Four electrons move from point A to point B in a uniform electric field as shown below. Rank the electrons in diagrams I through IV by the changes in potential energy from most positive to most negative when traveling from A to B.
A. I = II = III = IV.
B. II = III > I > IV.
C. III > I = IV > II.
D. II > I = IV > III.
E. I > II = III > IV.
Answer: D
You might also like to view...
Two balls of different material, but the same radius, ball A and ball B, float on the surface of a pool filled with fresh water of 1000
density. If ball A has 45% of its volume above the water, and ball B has 55% of its volume above the water, what is the ratio of the mass of ball A to that of B?
A. 0.905 B. 1.07 C. None of these D. 1.22 E. 0.82 F. 0.935
The tiny ripples in the background radiation COBE found are due to
A) bubble-like nature of space. B) reddening by interstellar dust clouds in our galaxy. C) a gravitational redshift caused by growing dark clumps. D) variations in the speed of different wavelengths of light. E) different velocities of the edge of the universe.
Find the frequency of X-rays of wavelength 2 × 10^-11 m. (c = 3 × 10^8 m/s)
a. 3 × 10^8 Hz c. 3 × 10^18 Hz b. 1.5 × 10^19 Hz d. 6 × 10^9 Hz
When we measure the mass of a planet using the Doppler shift method, we know that it is mass
A) could well be smaller B) could be larger or smaller C) is exactly as measured D) could well be larger