Electric Forces and Electric Fields

1.An electron is released a short distance above Earth's surface. A second electron directly below it exerts an electrostatic force on the first electron just great enough to cancel the gravitational force on it. How far below the first electron is the second? 2.Three charges are arranged as shown in the Figure Find the magnitude and direction of the electrostatic force on the 6.00nC charge. See the attachment #1 If you can't see the picture please email me at outandabout24@hotmail.com and I will blow the picture up.. 3.The electric field everywhere on the surface of a thin spherical shell of radius 0.750m is measured to be equal to 890N/C and points radially toward the center of ... click for more

Determination of the horizontal component of the Earth's magnetic field

Here's the background of our experiment. Purpose: In this experiment you will use a current-carrying loop to determine the horizontal component of the earths magnetic field for our locality. (Massachusetts, USA) Apparatus: 1. Circular conducting loop 2. Compass 3. Power supply and powersate 4. Ammeter 5. Wires Theory: The earths magnetic field varies in strength and direction from place to place on its surface. At our locality, the field has a direction that can be expressed with a vertical and a horizontal components. The direction of the horizontal component can be determined using a compass placed in a way that the needle is able to rotate freely in the horizontal plane. ... click for more

Calculate net force on charge, net electric field, initial acceleration

Calculate net force on charge, net electric field, initial acceleration, see attached jpg for question

Calculate capacitance calculated voltage across each capacitor

Calculate capacitance calculated voltage across each capacitor. See attached jpg for question.

finding electric charges

finding electric charges. See attached.