11, + 2 points My Notes Ask Your 1. Consider 2 spheres with equal but opposite c

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11, + 2 points My Notes Ask Your 1. Consider 2 spheres with equal but opposite charge. One sphere hangs from the ceiling by an insulating cord. The other has a mass of 0.05 kg and levitates directly below the other so that there is a distance 2.6E-3 m between the centers of the spheres. What is the charge on the positively charged sphere? 2. You rub a balloon on your shirt and bring it close to the ceiling and it rises and sticks to the ceiling. Which of the following could be true? The ceiling and the balloon had opposite charges The ceiling and the balloon were neutral. O The ceiling and the balloon had the same charge. The ceiling was neutral and the balloon was negatively charged O The balloon was neutral and the ceiling was negatively charged. O The ceiling was neutral and the balloon was positively charged The balloon was neutral and the ceiling was positively charged. Submit Answer Save Progress Pracice Another Version

Explanation / Answer

Solving 1st question

Let the charge be q on both sphere

Force=mg

K*q*q/(2.6*10^(-3))^2=0.05*9.8

We got

q=1.92*10^(-8) C

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