Problem: You may want to reference (Pages 165 - 166) Section 5.1 while completing this problem.Two positively charged spheres, each with a charge of 2.1×10−5 C, with a mass of 1.0 kg, and separated by a distance of 1.6 cm, are held in place on a frictionless track.  What is the electrostatic potential energy of this system? Express the answer in joules to four significant figures.

FREE Expert Solution

Electrostatic potential is the potential derived from the interactions of two charged objects, and the question states that there are two identically charged spheres. The electrostatic potential equation is as follows:


E = k(Q1Q2)d

  • k = 8.99 x 10N•m2 / C2
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Problem Details

You may want to reference (Pages 165 - 166) Section 5.1 while completing this problem.


Two positively charged spheres, each with a charge of 2.1×10−5 C, with a mass of 1.0 kg, and separated by a distance of 1.6 cm, are held in place on a frictionless track.  What is the electrostatic potential energy of this system? Express the answer in joules to four significant figures.


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What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Coulomb's Law concept. If you need more Coulomb's Law practice, you can also practice Coulomb's Law practice problems.