) the angular acceleration of the disk is defined by = 3t 2 + 12 rad/s, where t is in seconds. if the disk is originally rotating at 0 = 12 rad/s. a) determine the angular motion when t = 2 s. b) determine the magnitude of the velocity of point a on the disk when t = 2 s. c) determine the normal and tangential components of acceleration of point a on the disk when t = 2 s.
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Category: ecology |
Author: Ehud Raghnall
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