## Starting from rest, a DVD steadily accelerates to 500 rpm in 1.0 s, rotates at this angular speed for 3.0 s, then steadily decelerates to a

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## Answers ( )

Answer:37.5 revolutions

Step-by-step explanation:The average rotation speed for the first second and for the last two seconds is:

For the next 3.0 seconds, the rotation speed is V = 500 rpm.

The total number of revolutions, converting rpm to rps, is given by:

The DVD makes 37.5 revolutions.