Two Spheres,one with the Center Core Up to R =

question 49

Multiple Choice

Two spheres,one with the center core up to r = R/2 hollow and the other solid,have the same mass M and same outer radius R.If they are both rolling at the same linear speed,which one has the greater kinetic energy?

• A)The both have the same kinetic energy.
• B)The hollow one has the greater kinetic energy.
• C)The solid one has the greater kinetic energy.
• D)More information is needed to choose an answer.

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Definitions:

Operating Leverage

An indicator of the degree to which net operating income responds to a specific percentage variation in sales revenue.

Sales Mix

A composition of different products or services that a company sells, emphasizing the proportion of each product sold relative to total sales.

Break-even Point

The point at which total cost and total revenue are equal, meaning no net loss or gain, and the business is not making a profit but not losing money either.

Contribution Format

A type of income statement format that separates fixed costs from variable costs to highlight the contribution margin.