Centripital and Tangential Acceleration

Centripital and - Physics 125 Discussion#15 Problem 1 Throwing a discus A discus thrower moves the discus in a circle of radius 80.0 cm At a

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Physics 125 Discussion #15 1 Problem 1: Throwing a discus A discus thrower moves the discus in a circle of radius 80.0 cm. At a certain instant, the thrower is spinning at an angular speed of 10.0 rad/s and the angular speed is increasing at 50.0 rad/s 2 . 1. What is the tangential component of the acceleration of the discus at this time? 2. What is the centripetal component of the acceleration of the discus at this time? 3. What is the magnitude of the acceleration?
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Physics 125 Discussion #15 2 Problem 2: An electric ceiling fan An electric ceiling fan with blades 0.750 m in diameter is rotating about a fixed axis with an initial angular velocity of 0.250 rev/s. The angular acceleration is 0.900 rev/s 2 . 1. First, list all the known factors. Initial angular velocity: ω 0 = Angular acceleration: α = 2. What is the angular velocity after 0.200 s? 3. Through how many revolutions has the blade turned in this time interval? 4.
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This homework help was uploaded on 04/10/2008 for the course PHYSICS 125 taught by Professor Unknown during the Fall '08 term at University of Michigan.

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Centripital and - Physics 125 Discussion#15 Problem 1 Throwing a discus A discus thrower moves the discus in a circle of radius 80.0 cm At a

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