Recent content by Treefolk

That would do it...lemme check that. Meters, the units weren't the issue here (online homework provides the unit next to the blank or asks for the units in the problem). Thank you anyways.

What about the angular velocity? 90 revolutions/minute => 1.5 Revolutions/Second => 3 Rad/s Or did I muck this up?

Homework Statement It has been argued that power plants should make use of off-peak hours (such as late at night) to generate mechanical energy and store it until it is needed during peak load times, such as the middle of the day. One suggestion has been to store the energy in large flywheels...

That's exactly my issue. I was multiplying by the radius, not the height. Much appreciated! (For reference, the correct answer is -.166J)

Calculating Work Done by Friction in a Circular Track (Answered) Homework Statement A small block with mass 0.0425kg slides in a vertical circle of radius 0.400m on the inside of a circular track. During one of the revolutions of the block, when the block is at the bottom of its path, the...