Recent content by luvtodance151

  1. L

    Rotational KE of rolling onion and angular momentum of rotating astronauts

    Thanks for the help, I think I've got it now. And trust me, I'm not letting one bad teacher ruin my career. I've survived the whole year so far. And most of the time I end up helping other people in my class, not to mention I have one of the few A's in the class. So I think I've done pretty...
  2. L

    Rotational KE of rolling onion and angular momentum of rotating astronauts

    Nope we didn't learn the relation between the rotational velocity and linear velocity. Sorry our teacher is really bad and doesn't teach us anything...
  3. L

    Rotational KE of rolling onion and angular momentum of rotating astronauts

    Homework Statement I am having trouble with two problems. 1. An onion grown in 1994 had a record breaking mass of 5.55 kg. Assume that this onion can approximated by a uniform, solid sphere. Suppose the onion rolled down the inclined ramp that had a height of 1.40 m. What was the onion's...