A proton (mass = 1.67 × 10^-27 kg, charge = 1.60 × 10^-19 C) moves from point A to point B under the influence of an electrostatic force only. At point A the proton moves with a speed of 60 km/s. At point B the speed of the proton is 80 km/s. Determine the potential difference VB - VA
a. +15 V
b. -15 V
c. -33 V
d. +33 V
e. -20 V
B
You might also like to view...
The place the Sun stops its northward motion along the ecliptic is the
A) equator. B) prime meridian. C) summer solstice. D) vernal equinox.
If the communication lifetime of civilizations in our galaxy is 10,000 years and our galaxy is 13 billion years old, what is the chance of us detecting another intelligent civilization now?
A) 1 in 13,000 B) 1 in 1,300,000 C) 1 in 1300 D) 1 in 130,000
If you are standing on the street listening to the siren of an ambulance as it is moving away from you, which of the following is TRUE?
A) the pitch/frequency of the siren seems lower than it really is B) the siren sounds louder than it really is C) none of the above D) the pitch/frequency of the sound is identical to what it would have been if the ambulance were not moving E) the pitch/frequency of the siren seems higher than it really is
The F Ring around Saturn is maintained by ________
Fill in the blank(s) with correct word