Calculate the time taken to complete first 200 revolution

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Reference no: EM131131874

The speed of an electric motor is increased uniformly from 1200 to 1350 rpm in a time of 1.5 s. Find

(a) the angular acceleration,

(b) the number of revolutions turned during this time.

A winding drum is accelerated from 480 to 840 rpm in a time of 2 s. Acceleration continues at the same rate for a further 4 s after which the drum continues rotating at a steady speed. Calculate the time taken to complete the first 200 revolutions.

Reference no: EM131131874

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