A sphere of mass 1.7 kg and radius 0.5 m is attached to the end of a massless rod of length 3.0 m. The rod rotates about an axis that is at the opposite end of the sphere (see below). The system rotates horizontally about the axis at a constant 272 rev/min. After rotating at this angular speed in a vacuum, air resistance is introduced and provides a force 0.18 N on the sphere opposite to the direction of motion. What is the power (in W) provided by air resistance to the system 107.0 s after air resistance is introduced? (Enter the magnitude.) Axis of rotation

Elements Of Electromagnetics
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Author:Sadiku, Matthew N. O.
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A sphere of mass 1.7 kg and radius 0.5 m is attached to the end of a massless rod of length 3.0 m. The rod rotates about an axis that is at the opposite end of the sphere
(see below). The system rotates horizontally about the axis at a constant 272 rev/min. After rotating at this angular speed in a vacuum, air resistance is introduced and
provides a force 0.18 N on the sphere opposite to the direction of motion. What is the power (in W) provided by air resistance to the system 107.0 s after air resistance is
introduced? (Enter the magnitude.)
Axis of rotation
W
Transcribed Image Text:A sphere of mass 1.7 kg and radius 0.5 m is attached to the end of a massless rod of length 3.0 m. The rod rotates about an axis that is at the opposite end of the sphere (see below). The system rotates horizontally about the axis at a constant 272 rev/min. After rotating at this angular speed in a vacuum, air resistance is introduced and provides a force 0.18 N on the sphere opposite to the direction of motion. What is the power (in W) provided by air resistance to the system 107.0 s after air resistance is introduced? (Enter the magnitude.) Axis of rotation W
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