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Homework Help Forum: college physics

Posted by carman on Sunday, October 18, 2009 at 9:35am.

A compact disk, which has a diameter of 12.0 cm, speeds up uniformly from zero to 4.40 rev/s in 3.20 s
What is the tangential acceleration of a point on the outer rim of the disk at the moment when its angular speed is 3.00 {rev/s}?

  • college physics - bobpursley, Sunday, October 18, 2009 at 12:35pm

    tangential acc=radial acc*radius
    radial acc=4.4*2PI/3.2


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