At what time t is the angular speed zero

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Q. A wheel rotates clockwise about its central axis with an angular momentum of 760 kg·m2/s. At time t = 0, a torque of magnitude 98 N·m is applied to the wheel to reverse the rotation. At what time t is the angular speed zero?

Q. The street automobile with the greatest acceleration is the Tempest. It has an acceleration of 6.89 mls2. Suppose the car accelerates from the rest to a final speed of 96.5 km/h. How long does it take the Tempest to reach this speed?

Reference no: EM1347221

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