# A.)  If each of the three rotor helicopter blades is 3.75 m long and has a mass...

###### Question:

A.)  If each of the three rotor helicopter blades is 3.75 m long and has a mass of 135 kg, calculate the moment of inertia of the three rotor blades about the axis of rotation.

B.)How much torque must the motor apply to bring the blades from rest up to a speed of 4.1

rev/s in 7.6s ? If each of the three rotor helicopter blades is 3.75 m long and has a mass of 135 kg, calculate the moment of inertia of the three rotor blades about the axis of rotation. How much torque must the motor apply to bring the blades from rest up to a speed of 4.1 rev/s in 7.6s ?

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