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Homework Help: I need help with a physics HW problem PLEase

  1. Apr 28, 2009 #1
    I need help with a physics HW problem ASAP....PLEase...

    A wheel is rotating about an axis perpendicular to the plane of the wheel and passing through the center of the wheel. The angular speed of the wheel is increasing at a constant rate. Point A is on the rim of the wheel and point B is midway between the rim and the center of the wheel. For each of the following quantities, it is the magnitude larger at A or at B, or is it the same at both points: a) angular speed, b) tangential speed, c) angular acceleration, d) tangential acceleration, and e) centripetal acceleration. Justify your answers.

    I dont understand what they want me to do. There are no "givens" besides point A and point B which I think A=r and B= 1/2r

    I have the formulas for the accelerations and velocities but don't know how to apply them....
  2. jcsd
  3. Apr 28, 2009 #2
    Re: I need help with a physics HW problem ASAP....PLEase...

    They want you to say whether the magnitude of the listed quantities a through e is larger on the edge of the wheel or the center of the wheel.

    In other words, does increasing the radius increase or decrease the magnitude of those quantities?
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