An electric grinder is spinning CCW at 30 rev/s when the power is turned off and the grinder slows at a steady rate, taking 83 s to stop rotating. How many revolutions did it make while slowing to a stop? [Tip: Be careful with units.] ΔΘ rev

An electric grinder is spinning CCW at 30 rev/s when the power is turned off and the grinder slows at a steady rate, taking 83 s to stop rotating. How many revolutions did it make while slowing to a stop? [Tip: Be careful with units.] ΔΘ rev

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Question

**Computation**

An electric grinder is spinning CCW at 30 rev/s when the power is turned off and the grinder slows at a steady rate, taking 83 s to stop rotating. How many revolutions did it make while slowing to a stop?

*[Tip: Be careful with units.]*

\[
\Delta\theta = \_\_\_\_\_\_ \text{ rev}
\]

Record your numerical answer below, assuming three significant figures. Remember to include a "-" as necessary.

*Text box for input:*

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