A uniform solid disk of mass 9 2 kg rolls down a hill without slipping, dropping through a vertical distance of 5 9 m The disk has an initial speed of 1 3 m s and a final speed of 2 0 m s Throughout the process only normal force, gravity, static friction, and air resistance act on the disk What is the work done by the air resistance in kJ

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Question: A uniform solid disk of mass 9 . 2 kg rolls down a hill without slipping, dropping through a vertical distance of 5 9 m

A uniform solid disk of mass

9.2

kg rolls down a hill without slipping, dropping through a vertical distance of

59

.

The disk has an initial speed of

13

/

s and a final speed of

20

/

.

Throughout the process only normal force, gravity, static friction, and air resistance act on the disk. What is the work done by the air resistance in kJ

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