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

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter6: Applications Of Newton's Laws

Section: Chapter Questions

Problem 76P: The CERN particle accelerator is circular with a circumference of 7.0 km. (a) What is the...

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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.]
ΔΘ-
Record your numerical answer below, assuming three significant figures. Remember to include a
11 11
1
as necessary.
rev
O Search

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