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(Solved): 1. An aeroplane propeller of length \( 0.93 \mathrm{~m} \) starts from rest and rotates with a cons ...
1. An aeroplane propeller of length \( 0.93 \mathrm{~m} \) starts from rest and rotates with a constant angular acceleration of \( 50 \mathrm{rad} \mathrm{s}^{-2} \) for \( 5.0 \mathrm{~s} \). (a) Calculate the angular velocity of the propeller at the end of this time interval. Is the propeller tip supersonic? (b) Calculate the number of revolutions the propeller goes through during this interval. (c) Calculate how far the tip of one propeller travels during this interval.
Expert Answer
Solution: R=0.93m,?=50rad/s2,t=5s (a) Angular velocity, ?=?0+?t=0+50