A Solid Sphere of Radius R = 5 Cm and Mass

question 88

Multiple Choice

A solid sphere of radius r = 5 cm and mass m = 0.2 kg rolls in a groove as shown. The angle, $\theta$ , between the points of contact with the groove is 120 ^$\circ$ . If the sphere has a linear velocity of 10 mm/s, what is the rotational kinetic energy?

• A) 0.8 mJ
• B) 1.0 mJ
• C) 1.6 mJ
• D) 2.0 mJ
• E) undetermined.

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Definitions:

Minimum Return on Investment

The least amount of return that an investor is willing to accept for an investment, considering the risk and opportunity cost.

Support Department Cost

Expenses related to departments within a company that do not directly produce goods but support those that do.

Support Department Allocations

The process of distributing overhead costs from service departments to direct production areas, often based on specific allocation bases.

Operating Income

Income generated from the normal business operations of a company, excluding expenses from interest and taxes.