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Problem 6.8 - Enhanced - with Feedback Modern wind turbines are larger than they appear, and despite their apparently lazy motion, the speed of the blades tips can be quite high-many times higher than the wind speed. A turbine has blades 55 m long that spin at 12 rpm. (Figure 1) You may want to review (pages 161-163). Part A At the tip of a blade, what is the speed? Express your answer to two significant figures and include the appropriate units. Figure 1 ✓ of 1 < > ? v= Value Units Submit My Answers Give Up Part B At the tip of a blade, what is the centripetal acceleration? Express your answer to two significant figures and include the appropriate units. Value Units Submit My Answers Give Up ?

Problem 6.8 - Enhanced - with Feedback Modern wind turbines are larger than they appear, and despite their apparently lazy motion, the speed of the blades tips can be quite high-many times higher than the wind speed. A turbine has blades 55 m long that spin at 12 rpm. (Figure 1) You may want to review (pages 161-163). Part A At the tip of a blade, what is the speed? Express your answer to two significant figures and include the appropriate units. Figure 1 ✓ of 1 < > ? v= Value Units Submit My Answers Give Up Part B At the tip of a blade, what is the centripetal acceleration? Express your answer to two significant figures and include the appropriate units. Value Units Submit My Answers Give Up ?

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Problem 6.8 - Enhanced - with Feedback Modern wind turbines are larger than they appear, and despite their apparently lazy motion, the speed of the blades tips can be quite high-many times higher than the wind speed. A turbine has blades 55 m long that spin at 12 rpm. (Figure 1) You may want to review (pages 161-163). Part A At the tip of a blade, what is the speed? Express your answer to two significant figures and include the appropriate units. Figure 1 ✓ of 1 < > ? v= Value Units Submit My Answers Give Up Part B At the tip of a blade, what is the centripetal acceleration? Express your answer to two significant figures and include the appropriate units. Value Units Submit My Answers Give Up ?
Transcribed Image Text:Problem 6.8 - Enhanced - with Feedback Modern wind turbines are larger than they appear, and despite their apparently lazy motion, the speed of the blades tips can be quite high-many times higher than the wind speed. A turbine has blades 55 m long that spin at 12 rpm. (Figure 1) You may want to review (pages 161-163). Part A At the tip of a blade, what is the speed? Express your answer to two significant figures and include the appropriate units. Figure 1 ✓ of 1 < > ? v= Value Units Submit My Answers Give Up Part B At the tip of a blade, what is the centripetal acceleration? Express your answer to two significant figures and include the appropriate units. Value Units Submit My Answers Give Up ?
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