Thursday
September 18, 2014

Homework Help: College Physics Homework. Please help!

Posted by Rich on Monday, May 7, 2012 at 7:10pm.

A metal bar with a length of 0.30 m and mass of 0.5 kg is free to slide (no friction) on a set of vertical rails. The rails and bar together have a resistance of 500 ohms. The rails lie in a horizontal magnetic field with a strength of 0.04 T. The mass falls under the combined influence of gravity and magnetic forces with a constant speed.

Magnitude of the force of gravity?
Magnitude of the magnetic force on the rod?
Current in the rod?
Direction of that current?
EMF on the rod?
Speed of the rod?

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

physics - if the height of a playground slide is kept constant, will the length ...
Physics - A solid bar of length L = 1.30 m has a mass m1 = 0.893 kg. The bar is...
college physics - A 30.3-kg child starting from rest slides down a water slide ...
physics - A child, starting from rest at the top of a playground slide, reaches...
College Physics - A small bead of mass m is free to slide along a long, thin rod...
physics - A child slides down a slide with a 28 incline, and at the bottom her ...
Physics - A child with a mass of 83 kg is on top of a water slide that is 12 m. ...
physics - Hello everyone, I need help with this question: A bartender slides a ...
Physics - I need help with this physics problem: A child slides down a ...
PHYSICS - There's a bar with length of 6.49m and mass of 5.45kg leaning against ...

Search
Members