Two 2.3-cm-diameter-disks spaced 1.6 mm apart form a parallel-plate capacitor. The electric field between the disks is 4.3×105 V/m . What is the voltage across the capacitor?

How much charge is on each disk?

An electron is launched from the negative plate. It strikes the positive plate at a speed of 2.5×107 m/s. What was the electron's speed as it left the negative plate?

In order for the bug to fly through the air a force has to push the bug forward. identify this force. how does the bug produce

An inclined plane wrapped around a metal shaft is a a. lever b. screw c. pulley d. wedge

Suppose a force of 60 n is required to stretch and hold a spring 0.1 m from its equilibrium position. a. assuming the spring obeys hooke's law, find the spring constant k. b. how much work is required to compress the spring 0.5 m from its equilibrium position? c. how much work is required to stretch the spring 0.6 m from its equilibrium position? d. how much additional work is required to stretch the spring 0.1 m if it has already been stretched 0.1 m from its equilibrium? a. kequals 600