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An unstrained horizontal spring has a length of 0.34 m and a spring constant of 203...

An unstrained horizontal spring has a length of 0.34 m and a spring constant of 203 N/m. Two small charged objects are attached to this spring, one at each end. The charges on the objects have equal magnitudes. Because of these charges, the spring stretches by 0.014 m relative to its unstrained length. Determine the possible algebraic signs and the magnitude of the charges.

(a) the possible algebraic signs either:

both positive or both negative

both positive     

both negative

one positive and one negative

(b) the magnitude of the charges______C.

Science   Advanced-Physics   
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