angular speed = rate of change of angular position
w = d / dt
= d(2t + 2t^2) / dt
= 2 + 4t
so w(t) = 2 + 4t
w(3) = 2+ 4*3 = 14 rad/s
so option C) is the correct answer
o1-The angular position of a angular speed of the point at t = 3s (A)6 rad...
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