Recent content by Ravenalia

  1. Ravenalia

    From rotational KE to translational displacement

    Homework Statement A frictionless pulley has the shape of a uniform solid disk of mass 5.00 kg and radius 28.0 cm . A 1.40 kg stone is attached to a very light wire that is wrapped around the rim of the pulley, and the stone is released from rest. As it falls down, the wire unwinds without...
  2. Ravenalia

    How Can I Get Help with Physics on the Physics Forums?

    Hiya, my name's Raven, and I have a lot of problems with physics. I often have trouble with (you guessed it) MASTERING PHYSICS! I used this site a number of times for homework help prior to joining (primarily because most other sites for physics help are blocked on my school computer), so I...