Coulomb's Law (Electric Force) Video Lessons

Video Thumbnail

Concept

Problem: Suppose you have two small pith balls that are 7.5 cm apart and have equal charges of -25 nC? What is the magnitude of the repulsive force, in newtons, between the two pith balls?

FREE Expert Solution

We get the repulsive force from Coulomb's law:

F=kq1q2r2

87% (48 ratings)
View Complete Written Solution
Problem Details

Suppose you have two small pith balls that are 7.5 cm apart and have equal charges of -25 nC? What is the magnitude of the repulsive force, in newtons, between the two pith balls?

Frequently Asked Questions

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 (Electric Force) concept. You can view video lessons to learn Coulomb's Law (Electric Force). Or if you need more Coulomb's Law (Electric Force) practice, you can also practice Coulomb's Law (Electric Force) practice problems.