Multiple Choice
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 50 km/s.At point B the speed of the proton is 80 km/s.Determine the potential difference VB-VA.
A) +20 V
B) -20 V
C) -27 V
D) +27 V
E) -40 V
Correct Answer:
Verified
Correct Answer:
Verified
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