How long has wheel been in motion at start of interval
A wheel, starting from rest, has a constant angular acceleration of 1.2 rad/s^2 . In a 1.8-s interval, it turns through an angle of 75. How long has the wheel been in motion at the start of this 1.8-s interval?
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A curve in a road forms part of a horizontal circle. As a car goes around it at constant speed 14.0 m/s, the horizontal total force on the driver has magnitude118N. What is the total horizontal force on the driver if the speed on the same curve is
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