34. (a) Eq. 10-12 implies that the angular acceleration α should be the slope of the ω vs t graph. Thus, α = 9/6 = 1.5 rad/s 2 . (b) By Eq. 10-34, K is proportional to 2 . Since the angular velocity at t = 0 is –2 rad/s (and this value squared is 4) and the angular velocity at
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