Asked by Claire
A helicopter has two blades (see figure), each of which has a mass of 220 kg and can be approximated as a thin rod of length 6.7 m. The blades are rotating at an angular speed of 45 rad/s. (a) What is the total moment of inertia of the two blades about the axis of rotation? (a) Determine the rotational kinetic energy of the spinning blades.
Answers
Answered by
bobpursley
total moment inertia = 2* single rod I
http://en.wikipedia.org/wiki/List_of_moments_of_inertia
http://en.wikipedia.org/wiki/List_of_moments_of_inertia
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