The power P obtained from a windmill is directly

The power P obtained from a windmill is directly proportional to the cube of the wind speed s. a) Write an equation that expresses this variation. b) Find the constant of proportionality for a windmill that produces 96 watts of power when the wind is blowing at 20 mi/hr. c) How much power will this windmill produce if the wind speed increases to 30 mi/hr?
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Answer:

  • ***** : P ** ******** ************ ** cube of ********* S *
    *** s⌃3 *
    ** *
    = ******* ***** k ** * ******** ** *
    * ********* ** ***** s
    * ** ****** ***** P *
    96W * * ***
    *
    20⌃3} = ******* * ***** * * 0012 c)
    * * *** k
    = ***** * =
    k*s⌃3 * ***********
    * **** P = *** *

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