Two objects are separated by a distance of 1.2 mm. The objects are initially neutral, and then each receive the same number of electrons, giving them the same charge. The force between the objects is now 24.0 pN. How many electrons did the two objects each receive?
1
Expert's answer
2018-07-12T10:45:08-0400
Let’s first find the charge of each object from the Coulomb’s Law: F=k (q_1 q_2)/r^2 =k q^2/r^2 , q=√((Fr^2)/k)=√((24.0∙〖10〗^(-12) N∙(1.2∙〖10〗^(-3) m)^2)/(9.0∙〖10〗^9 (Nm^2)/C^2 ))=6.2∙〖10〗^(-14) C. Finally, we can find the number of electrons that the two objects each receive from the equation: q=Ne, N=q/e=(6.2∙〖10〗^(-14) C)/(1.6∙〖10〗^(-19) C)=3.875∙〖10〗^5 electrons.
Numbers and figures are an essential part of our world, necessary for almost everything we do every day. As important…
APPROVED BY CLIENTS
Finding a professional expert in "partial differential equations" in the advanced level is difficult.
You can find this expert in "Assignmentexpert.com" with confidence.
Exceptional experts! I appreciate your help. God bless you!
Comments
Leave a comment