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Home Q & A Board Science-Related Homework Help Physics
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GollumOfOz GollumOfOz
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6 years ago
In an experiment, a student brings up the rotational speed of a piece of laboratory apparatus to 30.0 rpm. She then allows the apparatus to slow down uniformly on its own, and counts 240 revolutions before the apparatus comes to a stop. The moment of inertia of the apparatus is known to be 0.0850 kg•m2. What is the magnitude of the retarding torque on the apparatus?
A) 0.0425 N • m
B) 0.159 N • m
C) 0.0787 N • m
D) 0.000278 N • m
E) 0.0000136 N • m
Textbook 
Principles & Practice of Physics

Principles & Practice of Physics


Edition: 1st
Author:
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alblovealblove
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6 years ago Edited: 2 years ago, bio_man
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#2
2 years ago
thank you
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