August 2018 2 9 Report
Z dwoch jednakowych kulek metalowych jedna miala ladunek +4pC, a druga -2pC. Po zetknieciu kulek ladunek na nich sie wyrownal. Wobec tego teraz kazda z kulek ma ladunek:
a)-1pC
b)+1pC
c)-3pC
d)+2pC
Uzasadnij.
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