The Power Generated by a Windmill Is Related to the Speed

question 65

Multiple Choice

The power generated by a windmill is related to the speed of the wind by the formula $S = \sqrt [ 3 ] { \frac { P } { 0.02 } }$ , where $S$ is the speed of the wind (in mph) and $P$ is the power (in watts) . Find the speed of the wind when the windmill is producing 413 watts of power.

• A)27.07 mph
• B)28.99 mph
• C)28.25 mph
• D)27.44 mph
• E)27.56 mph

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Definitions:

Double-Declining-Balance

An accelerated depreciation method that doubles the regular depreciation rate, reducing the asset's value more quickly.