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6th Edition

Stewart + 5 others

Publisher: Cengage Learning

ISBN: 9780840068071

Chapter 1.11, Problem 33E

**(a)**

To determine

**To express:** The given expression as equation.

Expert Solution

The equation of given expression is

The given expression is,

Power

Direct variation:

If the quantities

So,

Write the given expression as,

Here,

Thus, the equation of given expression is

**(b)**

To determine

**To find:** The constant of proportionality

Expert Solution

The constant of proportionality of given windmill is

**Given:**

Power produced by windmill

Speed of the wind

**Calculation:**

In equation (1) substitute

Thus, the value of proportionality constant

**(c)**

To determine

**To find:** Power produced by windmill.

Expert Solution

The power produced is

**Given:**

The wind speed

**Calculation:**

Wind speed is increased to

Substitute

Thus, the value of power