A compact disk rotates from rest to 420 rev/min in 4.5 seconds. (a) How far does a

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A compact disk rotates from rest to 420 rev/min in 4.5 seconds.

(a) How far does a point on the edge of the disk, radius 8.0 cm, travel during this interval?

(b) If the disk has mass of 18.2 grams, what is its kinetic energy when rotating at 400 rev/min? (I = MR2)

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Physics

ISBN: 978-0077339685

2nd edition

Authors: Alan Giambattista, Betty Richardson, Robert Richardson

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Posted Date: Jul 17, 2022 10:47 AM

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A compact disk rotates from rest to 420 rev/min in 4.5 seconds. (a) How far does a

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angular acceleration using b on one So total KE So d revolution distance travelled S 7917 cm Mome... View the full answer

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