A Disk with a Rotational Inertia of 5

question 22

Multiple Choice

A disk with a rotational inertia of 5.0 kg .m² and a radius of 0.25 m rotates on a frictionless fixed axis perpendicular to the disk and through its center.A force of 8.0 N is applied tangentially to the rim.If the disk starts at rest, then after it has turned through half a revolution its angular velocity is:

• A)0.57 rad/s
• B)0.64 rad/s
• C)0.80 rad/s
• D)1.6 rad/s
• E)3.2 rad/s

Understand the difference between effectiveness and efficiency.

Recognize the importance of research and analysis in developing business exit strategies.

Comprehend the nature and stages of business growth.

Identify the roles and duties of managers in a growing business.

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