Potential of Point-Charges: Four +6.00-µC point charges are at the corners of a square 2.00 m on each side. What is the electric potential of these charges, relative to infinity, at the center of this square? (k = 1/4??0 = 8.99 × 109 N ? m2/C2)
A. 76.4 kV
B. 38.2 kV
C. 306 kV
D. 153 kV
E. 61.0 kV
Answer: D
You might also like to view...
Uniform Circular Motion: A future use of space stations may be to provide hospitals for severely burned persons. It is very painful for a badly burned person on Earth to lie in bed. In a space station, the effect of gravity can be reduced or even eliminated. How long should each rotation take for a doughnut-shaped hospital of 200-m radius so that persons on the outer perimeter would experience 1/10 the normal gravity of Earth?
A. 91 min B. 8.7 min C. 4.6 min D. 1.5 min E. 0.011 min
Mars appears red due to ________ on its surface
Fill in the blank(s) with correct word
A satellite is in a circular orbit 600 km above the Earth's surface. The acceleration of gravity is 8.21 m/s2 at this altitude. The radius of the Earth is 6 400 km. Determine the speed of the satellite, and the time to complete one orbit around the Earth
A snowboarder coasts on a smooth track that rises from one level to another. If the snowboarder's initial speed is 4 m/s, the snowboarder just makes it to the upper level and comes to rest
With a slightly greater initial speed of 5 m/s, the snowboarder is still moving to the right on the upper level. What is the snowboarder's final speed in this case? A) 1 m/s B) 2 m/s C) 3 m/s D) 4 m/s E) 5 m/s