Answered: Two identical 9.60-g metal spheres…

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Two identical 9.60-g metal spheres (small enough to be treated
as particles) are hung from separate 300-mm strings attached
to the same nail in a ceiling. Surplus electrons are added to each
sphere, and then the spheres are brought in contact with
each other and released. Their equilibrium position is such
that each string makes a 13.0 angle with the vertical. How
many surplus electrons are on each sphere?

Expert Solution

Step 1

Given:

The mass of the spheres: $m = 9.6 g = 9.6 \times 10^{- 3} k g$

Length of the strings: $l = 300 m m = 0.3 m$

Angle made by each string with the vertical at equilibrium: $θ = 13 °$

We need to find the number of surplus electrons on each of the spheres.

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