Apoint charge with charge q1 = 4.00 μc is held stationary at the origin. a second point charge with charge q2 = -4.40 μc moves from the point ( 0.155 m , 0) to the point ( 0.245 m , 0.270 m ). how much work w is done by the electric force on the moving point charge?

W=0.94J

Explanation:

Electrostatic potential energy is the energy that results from the position of a charge in an electric field. Therefore, the work done to move a charge from point 1 to point 2 will be the change in electrostatic potential energy between point 1 and point 2.

This energy is given by:

So, the work done to move the chargue is:

The work is positive since the potential energy in 1 is greater than 2.

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explanation:

answer: the metamorphic rocks are formed when they are exposed to high pressure and high temperatures. this happens when one of the earth's plates comes in contact with the other plate by traveling in opposite directions, straight into each other or slipping under one another. the friction that is caused by this activity results in   melting of rocks and when it cools they are known as metamorphic rocks. this process needs a controlled amount of pressure and temperature otherwise it may turn into magma.