A Highway Curve of Radius 80 M Is Banked at 45°.Suppose

question 42

Multiple Choice

A highway curve of radius 80 m is banked at 45°.Suppose that an ice storm hits,and the curve is effectively frictionless.What is the speed with which to take the curve without tending to slide either up or down the surface of the road?

• A)9.4 m/s
• B)28 m/s
• C)780 m/s
• D)The curve cannot be taken safely at any speed.

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Definitions:

Variable Costing

A pricing approach that incorporates only variable production expenses—such as direct materials, direct labor, and variable manufacturing overhead—into the costs of products.

Total Period Cost

The sum total of all expenses incurred by a business within a specific period, not directly tied to the production process.

Variable Costing

An accounting method that includes only variable production costs—direct materials, direct labor, and variable manufacturing overhead—in the cost of a unit of product.

Unit Product Cost

The total cost associated with producing a single unit of product, including direct materials, direct labor, and allocated overhead.