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Home Q & A Board Science-Related Homework Help Physics
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ppk ppk
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12 years ago
A mechanic is examining the wheel of a bicycle to adjust the brake. With the bicycle off the ground, he manually rotates the wheel until it reaches an angular speed of 12.0 rad/s and then allows it to coast to a stop. If the wheel has a moment of inertia of 0.100 kg?m2, and the wheel slows to a stop in 160 s, what is the magnitude of the retarding torque?
A) 1.00 Nm
B) 0.00750 Nm
C) 0.0787Nm
D) 1.33 Nm
E) 1.67 Nm
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bio_manbio_man
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12 years ago Edited: 2 years ago, bio_man
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4 years ago
thank
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