$!$

Required information

Problem $15\mathrm{.}031-$ A hoisting system

A load is to be raised $26$ ft by the hoisting system shown. Assume that gear $A$ is initially at rest, accelerates uniformly to a speed of $120$ rpm in $5$ s $,$ and then maintains a constant speed of $120$ rpm $.$

Problem $15\mathrm{.}032.$b $-$ Angular velocity of the disks

Determine the angular velocity of each disk as contact is made.

The angular velocity of disk $A$ is $$ rpm $$

The angular velocity of disk $B$ is $$ rpm $$