# Helicopter blades withstand tremendous stresses. In addition to supporting the weight of a helicopter, they are...

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

(a) Calculate the centripetal acceleration at the tip of a 4.00 m long helicopter blade that rotates at 300 rev/min

(b) Calculate the linear speed of the tip.

Find the angular speed in radian per second and then use equation for centripetal acceleration to find a solution as shown below

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