Two small, positively charged spheres have a combined charge of 12.0 × 10-5 c. if each sphere is repelled from the other by an electrostatic force of 0.800 n when the spheres are 1.70 m apart, what is the charge on the sphere with the smaller charge?

Aluminum–lithium (al-li) alloys have been developed by the aircraft industry to reduce the weight and improve the performance of its aircraft. a commercial aircraft skin material having a density of 2.47 g/cm3 is desired. compute the concentration of li (in wt%) that is required.

If equal masses of the listed metals were collected , which would have a greatest volume ? a. aluminum 2.70,b.zinc7.14,c.copper 8.92,d.lead 11.34

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