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

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Definitions:

Ovaries

Female reproductive organs in which ova or eggs are produced, part of the vertebrate female reproductive system.

Testes

Male reproductive organs responsible for producing sperm and hormones, such as testosterone.

Endocrine System

A network of glands and organs that produce, store, and secrete hormones into the bloodstream to regulate the body's processes and maintain homeostasis.

Hormones

Chemical messengers produced by the endocrine glands that regulate various bodily functions, including growth, metabolism, and mood.