This podcast explains standing waves on strings, including an explanation for how to calculate which frequencies of vibration will 'work' to cause a certain string to resonate at all of its different harmonic frequencies.
Friday, November 16, 2012
Thursday, November 15, 2012
This podcast explains what torque is, and how to calculate it. Newton's 2nd Law is also revisited, from a rotational perspective.
Friday, January 20, 2012
This podcast is a quick review of Gauss' Law, including conductors in electrostatic equilibrium, E-field due to spherical conductors & non-conductors, E-field due to sheets of charge, and E-field due to lines of charge.