Recent content by sitthegamsat

Thanks for the reply. I am still confused as to where the number 15Q comes from. If the charge is shared on the first contact does the one that is moved have 0.5+Q and -Q; then on the next contact it shares 2.5 +Q charge between two balls... how do we get the answer of +15Q/8? Thanks again...

Homework Statement I would really appreciate help understanding how the answer is reached in this question: Setting the scene: three metal sphere's are in fixed positions R (+Q), S (+2Q) and T (+3Q): +Q +2Q +3Q...