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Homework Help: Mass being dropped on spinning disk problem NEED HELP

  1. Nov 12, 2009 #1
    Mass being dropped on spinning disk problem NEED HELP!!

    1. A disk has a radius of 1.25m and a mass of 10kg. It lies flat on a smooth table and is spinning with an initial velocity of 10 rad/s about a pin at its center. A 5kg mass is dropped on it at a distance of 0.50m from its center. Find:
    (Extra credit) if the coefficient of kinetic friction between the block and the disk is 0.40, determine:
    i. the time while slipping

    ii. the distance traveled while slipping
    1. The problem statement, all variables and given/known data

    2. Relevant equations

    3. The attempt at a solution
  2. jcsd
  3. Nov 13, 2009 #2


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    Science Advisor
    Homework Helper

    Welcome to PF!

    Hi jch11! Welcome to PF! :wink:

    Show us what you've tried, and where you're stuck, and then we'll know how to help! :smile:
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