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Homework Help: Determine the magnitude of its maximumradial acceleration

  1. Sep 17, 2010 #1
    1. Before throwing a 0.821 kg discus, an ath-lete rotates it along a circular path of radius1.19 m. The maximum speed of the discus is18.7 m/s.Determine the magnitude of its maximumradial acceleration.Answer in units of m/s2

    2. Relevant equations
    atotal = sq rt (a2 radial + a2 tangential) where aradial = −v2/r and atangential = d|v|/dt

    3. The attempt at a solution
    I tried using the equation above but I don't think I have enough info or I don't know where the info goes
  2. jcsd
  3. Sep 17, 2010 #2


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    Homework Helper

    So you have aradial=v2/r

    v= velocity and r= radius, both of which you are given.
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