Question
Asked May 18, 2019
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48. A horizontal 800-N merry-go-round is a solid disk of
radius 1.50 m and is started from rest by a constant
horizontal force of 50.0 N applied tangentially to the
edge of the disk. Find the kinetic energy of the disk
after 3.00 s.
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48. A horizontal 800-N merry-go-round is a solid disk of radius 1.50 m and is started from rest by a constant horizontal force of 50.0 N applied tangentially to the edge of the disk. Find the kinetic energy of the disk after 3.00 s.

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Expert Answer

Step 1

Equations for the moment of inertia of disc about an axis passing through the centre and perpendicular to plane of disc and mass from weight are,

 

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Step 2

Calculate I using the first equation.

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Step 3

Calculate I using the fir...

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