A particle (m = 2.0 mg, q = -5.0 mC) has a speed of 30 m/s at point A and moves (with only electric forces acting on it) to point B where its speed is 80 m/s. Determine the electric potential difference VA - VB
a. -2.2 kV
b. +1.1 kV
c. -1.1 kV
d. +2.2 kV
e. +1.3 kV
C
You might also like to view...
You observe two stars that are identical to our Sun, but that are located at di?erent distances from Earth. Which star is the most luminous?
A) They are both the same luminosity. B) The one that appears brightest in our sky is more luminous. C) The one that appears faintest in our sky is more luminous. D) There is no way to tell from the information given.
Which of the following best describes a phishing scheme?
A. The creation of a fraudulent version of a website. B. To hide the actual URL of a website and display the URL the visitor intended to reach. C. To purposely infringe upon a creative artist's copyrights by linking to his or her content. D. When a perpetrator imitates a legitimate company and sends a message requesting the user verify account information.
Stars spend most of their lives
A) fusing hydrogen into helium in their cores B) slowly dimming as they die with no fusion occurring in their cores C) as slowly brightening protostars D) fusing helium into carbon in their cores
What are the most likely sources of the methane gas detected in the Martian atmosphere by the Mars Express orbiter and the Curiosity rover?
A) biological activity only B) biological or geological activity C) comet impacts only D) geological activity only