In a thundercloud there may be electric charges of +37.0 C near the top of the cloud and -37.0 C near the bottom of the cloud. These charges are separated by 2.10 km. What is the electric force on the top charge?

0 Use this figure for the next three questions. 12 ft 8 ft 6 ft TBC = 800 N 4 ft X B K

A pith ball with charge 0.2 mC is brought close to a van der Graaf generator with a charge of 100 mC (500 times that of the pith ball). The pith ball exerts an electric force of 20 mN on the van der Graaf generator. What is the magnitude of the electric force that the van der Graaf generator exerts on the pith ball? Answer in mN.

In the ever popular game from the future, Electrodisc, players can score double points by pushing a disc into another disc with the electric field generated by a third disc. The discs are by regulation 1 kg. All discs have the same shape and are made of the same conducting material. In the figure below, disc 1 is held in place, and disc 2 is held stationary 4.1 m from disc 1 by a player. The player then releases disc 2. 10 m. F12 What is the initial magnitude of the acceleration imposed on the second disc? The charge on the first disc is 1.7 mC. The charge on the second disc is 1.7 mC. The charge on the third disc is neutral. m/s² Later, discs 2 and 3 touch and charge is exchanged. How much charge is exchanged once the charges on each disc reach an equilibrium? mC After charge is exchanged, what is the direction of the force on disc 3 due to disc 2? O toward the left O toward the right O upward O downward

What is the magnitude of the net electric force on Q1?

= Two charged particles, 9₁ and 92, are located on the x-axis, with q₁ at the origin and 92 initially at x₁ 14.1 mm. In this configuration, q₁ exerts a repulsive force of 2.62 µN on 9₂. Particle 92 is then moved to X2 17.6 mm. What is the force (magnitude and direction) that q2 exerts on q₁ at this new location? (Give the magnitude in µN.) μN magnitude direction = ---Select--- ↑

Solve the following problems completely and neatly. Write your solution in a clean sheet of paper. A +80µC charge is placed at the origin. A -35µC is placed at x = 2m and a +170µC is placed at x= -4m. (a) what is the net electric force acting on the +80µC charge? (b) what is the net electric force acting on the +170µC charge?