Two charges are located on the x-axis. A 22 ?C charge is located at the origin and a 47 ?C charge is located at x = 4.0 m. What is the electric field at x = 3.00 m?
a. 
b. 
c. 
d. 
e. 
c.
You might also like to view...
One ancient Greek scientist, Aristarchus, had a theory about the layout of the universe that was quite different from the other Greek theories. According to Aristarchus's theory,
A) Earth is at the center and other objects move around Earth in simple circles. B) the sun is at the center and other objects, including Earth, move around the sun in simple circles. C) Earth is at the center, and the planets move around Earth in orbits that could be described as "circles-within-circles" or "loop-the-loops." D) the Earth is held up by Hercules, who stands on a turtle, who stands on an elephant, who stands on Zeus, who is beginning to think that the whole thing isn't worth the effort. E) there is no fixed center anywhere in the universe.
There are one thousand megabytes in a gigabyte
Indicate whether the statement is true or false
Einstein's general theory of relativity suggests that gravity is
A) a force of attraction that acts at a distance between two masses. B) caused by curvature of spacetime. C) = G × M1 × M2/d2. D) one of four fundamental forces in nature.
A 2.0-kg ball is moving with a constant speed of 5.0 m/s in a horizontal circle whose diameter is 1.0 m. What is the magnitude of the sum of the forces exerted on the ball?
A) 0 N B) 20 N C) 40 N D) 50 N E) 100 N