Recent content by lsatwd

Homework Statement The problem has two thin metal bar electrodes, one setup to be positive and one setup to be negative. A metal circular disc is placed between the two bars. Why do the equipotential lines near the edge of the bar run parallel to the bar? The setup looks kind of like this...

I was thinking that its total initial energy would be the sum of its translational and rotational kinetic energy so that is why i thought i could use that equation. I don't know what to use if that's not it.

Homework Statement A bicycle racer is going downhill at 11.0 m/s when, to his horror, one of his 2.25 kg wheels comes off when he is 75.0 m above the foot of the hill. We can model the wheel as a thin-walled cylinder 85.0 cm in diameter and neglect the small mass of the spokes. How fast is...

ahh never mind, i see. It turns out i just suck at math. that equation gave me 1.32 which was the right answer. thanks for the help

Homework Statement A small mass M and a small mass 3M are 3.60m apart. Where should you put a third small mass so that the net gravitational force on it due to the other two masses is zero?(From mass M) Homework Equations F = G(m1)(m2)/d^2 The Attempt at a Solution I envisioned...