Calculating Distance from a Charged Particle using Electric Field Strength

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SUMMARY

The discussion focuses on calculating the distance from a charged particle to a point in an electric field. Given a charge of -5.00 µC and an electric field strength of 7.2 x 10^7 N/C, the distance is determined using the formula E = kq / r^2. The calculated distance is approximately 0.025 m, confirming the application of Coulomb's law and the constants involved in electrostatics.

PREREQUISITES
  • Understanding of Coulomb's law and electric field concepts
  • Familiarity with the formula E = kq / r^2
  • Basic knowledge of units in electrostatics (Coulombs, Newtons, meters)
  • Proficiency in algebraic manipulation and square root calculations
NEXT STEPS
  • Study the implications of electric field strength in different charge configurations
  • Learn about the concept of electric potential and its relationship to electric fields
  • Explore the applications of Coulomb's law in real-world scenarios
  • Investigate the effects of varying charge magnitudes on electric field calculations
USEFUL FOR

This discussion is beneficial for physics students, educators, and anyone interested in electrostatics and electric field calculations.

Kennedy111
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Homework Statement


A particle has a charge of -5.00 \muC. At a point near this particle, the electric field strength is 7.2 x 10^7 N/C. Determine the distance from this point to the charged particle.

q = -5.00 x 10^-6 C
E = 7.2 x 10^7 N/C
k = 8.99 x 10^9 Nm^2/C^2

Homework Equations


E = kq / r^2


The Attempt at a Solution



r = (sqrt) (8.99 x 10^9 Nm^2/C^2)(5.00 x 10^-6) / (7.2 x 10^7 N/C)
= 0.0249861073 m
 
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