The Tangential Force F Shown in Figure Below Is Applied

question 68

Multiple Choice

The tangential force F shown in figure below is applied to a disc is allowed to rotate about an axis through its center.The diameter of the disc is 24.0 cm.The magnitude of this tangential force is given in the graph of F vs.Angular Position.With the disc at rest initially and ignoring frictional torque,find the disc's kinetic energy after one full rotation.

• A)4.89 J
• B)7.50 J
• C)15.1 J
• D)3.77 J
• E)not enough information is given to determine the kinetic energy

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A natural periodic state of rest for the mind and body, characterized by altered consciousness and reduced interactions with surroundings.