During the spin cycle of your clothes washer, the tub rotates at a steady angular velocity of 33.3 rad/s. Find the angular displacement of the tub during a spin of 77.5 s, expressed both in radians and in revolutions.

The angular displacement of the tub will be 2580.75 rad or 411 revolutions.

Explanation:

We know the relation between angular velocity (), the angular displacement () and time () is given by

Given = and the time () required to complete a spin is 77.5 s.

Therefore, the required angular displacment () is

Also we know that,

So, the angular displacement of the tub will be 2580.75 rad or 411 revolutions.

this means that the temperature of both substances will be equal