The magnitude of the electrostatic force between two point charges Q and q of the same sign is given by F(x)3= kQq , where x the distance between the charges and k=9x 10° N-m /c is a physical constant (C stands for coulomb, the unit of charge; N stands for newton, the unit of force). Use this information to answer parts (a) through (c) below. 20g

The magnitude of the electrostatic force between two point charges Q and q of the same sign is given by F(x)3= kQq , where x the distance between the charges and k=9x 10° N-m /c is a physical constant (C stands for coulomb, the unit of charge; N stands for newton, the unit of force). Use this information to answer parts (a) through (c) below. 20g

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter5: Electric Charges And Fields

Section: Chapter Questions

Problem 101P: In this exercise, you practice electric field lines. Make sure you represent both the magnitude and...

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Concept explainers

Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.

Question

kQq
where x is the distance between the charges and
The magnitude of the electrostatic force between two point charges Q and q of the same sign is given by F(x)%D
k=9x 10 N-m/C is a physical constant (C stands for coulomb, the unit of charge, N stands for newton, the unit of force). Use this information to answer parts (a)
through (c) below.
209
N/m
O B. F'(x)=
1.8x1010Qq
C. F'(x)= -
N/m
1.8x10°Qq
O 6. F'(x)= -
N/m
b. For two identical charges with Q=q=2 C, what is the instantaneous rate of change of the force at a separation of x 0.002 m?
N/m
(Use scientific notation Simplify your answer Round to two decimal places as needed)

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