Question
7. A solid disk of radius 9.25 cm and mass 355 g changes its angular speed from 17.6 rad/s to 35.9 rad/s over 2.42 s. A)...
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Transcribed: 7. A solid disk of radius 9.25 cm and mass 355 g changes its angular speed from 17.6 rad/s to
35.9 rad/s over 2.42 s.
A) What is the disk’s rotational inertia?
B) What is the disk’s angular acceleration?
C) How much torque is needed to do this?
Answer
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