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题目
Two metal spheres of equal size are charged and mounted on insulated stands(麻烦大家顺便把这句话翻译一下).One sphere has a charge of +8uC and the second sphere has a charge of -14uC.The two spheres are touch together and then separated.The charge on the second sphere will now be

提问时间:2021-03-23

答案
举一反三
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