Phys Notes Jan29

Phys Notes Jan29 - Phys 2305 Y05-ch5-6-st 1 Ch 5. Dynamics...

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Phys 2305 Y05—ch5-6-st 1 Ch 5. Dynamics of Circular Motion. Radial and tangential acceleration in motion along a curve (ch 3) Is the speed increasing or decreasing? a rad = v 2 R , a tan = dv dt which can be written as a = dv dt ˆ t + v 2 R ˆ n , where ˆ t is the unit vector tangent to the trajectory and ˆ n is the unit vector perpendicular to the trajectory. Radial and tangential acceleration in circular motion
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Phys 2305 Y05—ch5-6-st 2 ¥ Uniform circular motion ¨ Conical pendulum : What is the speed? F5.33 ¨ A roadway is designed for tra cmovingataspeedo f 25 m/s . A curved section of the roadway is a circular arc of 200 m radius. The roadway is banked, so that vehicles go around the curve with lateral friction forces equal to zero. The angle at which the roadway is banked is closest to 12 18 20 14 16
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Phys 2305 Y05—ch5-6-st 3 ¥ Which of the following is an accurate statement? (1) All points on a car tire have zero acceleration if the car is moving with constant linear velocity.
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Phys Notes Jan29 - Phys 2305 Y05-ch5-6-st 1 Ch 5. Dynamics...

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