jphysics
posted by Kelli Kenyon .
the chapter is on electric fields and forces and I cannot figure these 3 answers out:
Matt forgot to put the fabric softener in the wash. As his socks tumbled in the dryer, they became charged. If a small piece of lint with a charge of +1.25 E 19 C is attracted to the socks by a force of 3.0 E 9 N, what is the magnitude of the electric field at this location?
Suppose an electric field with a magnitude of 2.8 E 4 N/C at a certain location, points due south. If a charge of 4.0 E 6 C is brought to the location, what is the electrostatic force that acts on this charge?

http://www.jiskha.com/display.cgi?id=1306034094 what is is about force equals charge times Electic Field strength that you don't understand?
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