Recent content by Kas0988

  1. K

    Positively charged plastic rod of length L

    Homework Statement The figure shows a positively charged plastic rod of length L = 2.40 m and uniform linear charge density 8.00×10-3 C/m. Setting V= 0 at infinity, find the electric potential at point P for d = 1.536 m. Homework Equations The Attempt at a Solution Alright, I...
  2. K

    Current and Voltage values using Ohm's Law

    Homework Statement In the circuit above given that Vg is 55 V, R1 is 3 Ohm, R2 is 12 Ohm and R3 is 90 Ohm. Using the polarity shown in figure answer the following questions. (A) Find the value of i3? (B) What is the value of i2? (C) What is the value of V3? (D) Calculate the power...
  3. K

    Magnitude of the force on an electron (Coulomb's Law?)

    Homework Statement What is the magnitude of the force on an electron at a distance of 1.79 Angstrom from the radium nucleus? Homework Equations Coulomb's Law: F = \frac{1}{4 \pi \epsilon_0} \ \frac{q_1 q_2}{r^2} The Attempt at a Solution For this problem, I...