Posted by Max on .
A cyclist starts from rest and pedals so that the wheels make 7.7 revolutions in the first 5.1 s. What is the angular acceleration of the wheels (assumed constant)?

Physics 
drwls,
(1/2)*alpha*t^2 = 2 pi * 7.7 radians
alpha = 4 pi * 7.7/ t^2
alpha is the angular acceleration in radians/s^2