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Figure 11-46 gives the torque t that acts on an initially
Chapter , Problem 42(choose chapter or problem)
Figure 11-46 gives the torque t that acts on an initially stationary disk that can rotate about its center like a merry-go-round. The scale on the t axis is set by ts ! 4.0 N"m.What is the angular momentum of the disk about the rotation axis at times (a) t ! 7.0 s and (b) t ! 20 s?
Questions & Answers
QUESTION:
Figure 11-46 gives the torque t that acts on an initially stationary disk that can rotate about its center like a merry-go-round. The scale on the t axis is set by ts ! 4.0 N"m.What is the angular momentum of the disk about the rotation axis at times (a) t ! 7.0 s and (b) t ! 20 s?
ANSWER:Step 1 of 2 a. The angular momentum of the disc about the rotation axis at time is given by,\n The angular momentum of the disc at is .