A negative charge -0550 acircmicroc exerts an upward 0600 n, Ask an Expert

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A negative charge -0.550 ÂµC exerts an upward 0.600 N force on an unknown charge 0.210 m directly below it.

(a) What is the unknown charge (magnitude and sign)?

.................................. C

(b) What are the magnitude and direction of the force that the unknown charge exerts on the -0.550 µC charge?

.................................. N

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