A model of a helicopter rotor has four blades, each3.10 m in length from the centralshaft to the blade tip. The model is rotated in a wind tunnel at700 rev/min.
(a) What is the linear speed of the blade tip, inm/s?
m/s
(b) What is the radial acceleration of the blade tip expressed as amultiple of the acceleration due to gravity, g?
g