Physics: At how many rpm must the disk turn to raise the elevator at 35.0 cm/s

At how many rpm must the disk turn to raise the

Ответ:

zhellyyyyy

14.03.2022

Let R be the radius of the disk, in centimeters. 35.0 cm/s = 35.0 * 60 cm/min = 2100 cm/min. One revolution of the disk is 2*pi*R, in cm. So the number of revolutions per minute is 2100 / (2*pi*R) = 1050/(pi*R), approximately 334/R.

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Ответ:

jamiahharrell21

30.01.2021

Physics

.600J/sec each pulse is 25ms
so .6*25*10^-3=.015J

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At how many rpm must the disk turn to raise the elevator at 35.0 cm/s

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