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# HW Ch10 - HW Ch 10 Rotational Kinematics Chapter 10...

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HW Ch. 10 Rotational Kinematics Chapter 10: Rotational Kinematics Conceptual problems 10.C. 2 (5.00) Order these three cities from smallest to largest tangential velocity due to the rotation of the Earth: Washington, DC, USA; Havana, Cuba; Ottawa, Canada. smallest: HavanaOttawaWashington (0/1 submissions used) middle: HavanaOttawaWashington (0/1 submissions used) largest: HavanaOttawaWashington (0/1 submissions used) 10.C. 4 (5.00) Does the angular velocity vector of the Earth point north or south along its axis of rotation? North South (0/1 submissions used) Section 0: Introduction 10.0.1 (5.00) Use the simulation in the interactive problem in Section 10.0 to answer the following questions. (a) If you increase the period, will the angular velocity increase, decrease or stay the same? (b) If you increase the period, will the linear speed increase, decrease or stay the same? (c) If you increase the distance from the center, will the angular velocity increase, decrease or stay the same? (d) If you increase the distance from the center, will the linear speed increase, decrease or stay the same? (a) IncreaseStay the sameDecrease (0/1 submissions used) (b) IncreaseStay the sameDecrease (0/1 submissions used) (c) IncreaseStay the sameDecrease (0/1 submissions used)

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(d) IncreaseStay the sameDecrease (0/1 submissions used) Section 1: Angular position 10.1.1 (5.00) Two cars are traveling around a circular track. The angle between them, from the center of the circle, is 55° and the track has a radius of 80 m. How far apart are the two cars, as measured around the curve of the track?
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