(a) In an experiment a student moves a negatively charged glass rod close to a balloon suspended by a string from the ceiling. The balloon moves towards the glass rod. Circle the diagram representing the charge on the balloon that would result in the balloon moving towards the glass rod. + + + + A B (b) The student then suspended two identical balloons from the ceiling. Each of the balloons had a charge of 1μC and the balloons moved 3 cm apart from each other. Calculate the force of repulsion between the balloons.

(a) In an experiment a student moves a negatively charged glass rod close to a balloon suspended by a string from the ceiling. The balloon moves towards the glass rod. Circle the diagram representing the charge on the balloon that would result in the balloon moving towards the glass rod. + + + + A B (b) The student then suspended two identical balloons from the ceiling. Each of the balloons had a charge of 1μC and the balloons moved 3 cm apart from each other. Calculate the force of repulsion between the balloons.

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter19: Electric Forces And Electric Fields

Section: Chapter Questions

Problem 15CQ: A common demonstration involves charging a rubber balloon, which is an insulator, by rubbing it on...

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