Mathematics, 18.07.2020 01:01 deee12345

The equation h = 7 sine (StartFraction pi Over 21 EndFraction t) + 28 can be used to model the height, h, in feet of the end of one blade of a windmill turning on an axis above the ground as a function of time, t, in seconds. How long is the blade? Assume that the blade is pointing to the right, parallel to the ground, at t = 0, and that the windmill turns counterclockwise at a constant rate. 7 feet 14 feet 21 feet 28 feet

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The equation h = 7 sine (StartFraction pi Over 21 EndFraction t) + 28 can be used to model the heigh...

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