Charge Q is distributed uniformly along a semicircle of radius a. Which formula below gives the correct magnitude of the force on a particle of charge q located at the center of the circle?

A.

.

B.
.

C.
.

D.
.

E.
.


Answer: D

Physics & Space Science

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Physics & Space Science

There are no _______________ rocks on the surface of the Moon

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Physics & Space Science