Question: A plastic film moves over two drums. During a 4-s interval the speed of the tape is increased uniformly from v0 = 2 ft/s to

A plastic film moves over two drums. During a 4-s interval the speed of the tape is increased uniformly from v0 = 2 ft/s to v1 = 4 ft/s. Knowing that the tape does not slip on the drums, determine

(a) The angular acceleration of drum B,

(b) The number of revolutions executed by drum B during the 4-s interval.

A plastic film moves over two drums. During a 4-s

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