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Helicopter blades withstand tremendous stresses. In addition to supporting the weight of a helicopter, they are spun at rapid rates and experience large centripetal accelerations, especially at the tip. (For each answer, enter a number.) (a)      Calculate the magnitude (in m/s2) of the centripetal acceleration at the tip of a 4.70 m long helicopter blade that rotates at 275 rev/min.   m/s2 (b)      Compare the linear speed of the tip with the speed of sound (taken to be 340 m/s). vtip/vsound =

Helicopter blades withstand tremendous stresses. In addition to supporting the weight of a helicopter, they are spun at rapid rates and experience large centripetal accelerations, especially at the tip. (For each answer, enter a number.) (a)      Calculate the magnitude (in m/s2) of the centripetal acceleration at the tip of a 4.70 m long helicopter blade that rotates at 275 rev/min.   m/s2 (b)      Compare the linear speed of the tip with the speed of sound (taken to be 340 m/s). vtip/vsound =

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Helicopter blades withstand tremendous stresses. In addition to supporting the weight of a helicopter, they are spun at rapid rates and experience large centripetal accelerations, especially at the tip. (For each answer, enter a number.)

(a)

    
Calculate the magnitude (in m/s2) of the centripetal acceleration at the tip of a 4.70 m long helicopter blade that rotates at 275 rev/min.
  m/s2

(b)

    
Compare the linear speed of the tip with the speed of sound (taken to be 340 m/s).
vtip/vsound = 
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