Question

1). Is the mass of an amber rod after being negatively charged by fur a) greater than, b) less than, or c) the same as its mass before charging? And why?

2). Find the electrostatic force between two 1.00 C charges separated by 1.00 m. Identify if the force is attractive or repulsive.

3). A charge q1 = -5.4 microC is at the origin, and a charge q2 = -2.2 microC is on the x axis at x = 1.00 m. Find the net force acting on a charge q3 = 1.6 microC located at x = 0.75m

4).Three charges, each of 2.9 microC are placed at three corners of a triangle 0.5 m on a side. Find the magnitude and direction of the net force on charge qa.

5).Four charges have been placed at the corners of a square 50cm on each side as seen in the diagram below. Find the net force on the 2 microC charge.

6). In a certain region of space, a uniform electric field has a magnitude of 4.6 x 104 N/C and points in the positive x direction. Find the magnitude and direction of the force this field exerts on a charge of a) +2.8 microC and b) -9.3 microC.

7). Two charges, each of 2.9 microC are placed at two corners of a square 50cm on a side, If the charges are on one side of the square what would be the magnitude and direction of the net electric field a one of the other corners of the square?

Answer 1