Solution: A wheel is rotating about an axis that is in the
Chapter 9, Problem 9.8(choose chapter or problem)
A wheel is rotating about an axis that is in the z-direction. The angular velocity \(\omega_z\text{ is }-6.00\mathrm{\ rad}/\mathrm{s}\) at t = 0, increases linearly with time, and is \(+4.00\mathrm{\ rad}/\mathrm{s}\) at t = 7.00 s. We have taken counterclockwise rotation to be positive. (a) Is the angular acceleration during this time interval positive or negative? (b) During what time interval is the speed of the wheel increasing? Decreasing? (c) What is the angular displacement of the wheel at t = 7.00 s?
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