EBK PHYSICS FOR SCIENTISTS & ENGINEERS
EBK PHYSICS FOR SCIENTISTS & ENGINEERS
5th Edition
ISBN: 9780134296074
Author: GIANCOLI
Publisher: VST
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Chapter 10, Problem 66P

(II) A Uniform thin rod of length l and mass M is suspended freely from one end. It is pulled to the side an angle θ and released. If friction can be ignored, what is its angular velocity, and the speed of its free end, at the lowest point?

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(II) Calculate the angular velocity (a) of a clock’s secondhand, (b) its minute hand, and (c) its hour hand. State in rad/ s.(d) What is the angular acceleration in each case?
(II) A sphere of radius ro = 24.5 cm and mass m = 1.20 kg starts from rest and rolls without slipping down a 30.0° incline that is 10.0 m long. (a) Calculate its translational and rotational speeds when it reaches the bottom. (b) What is the ratio of translational to rotational kinetic energy at the bottom? Avoid putting in numbers until the end so you can answer: (c) do your answers in (a) and (b) depend on the radius of the sphere or its mass?
(II) A sphere of radius r=34.5 cm and mass m=1.80 kgstarts from rest and rolls without slipping down a 30.0°incline that is 10.0 m long. (a) Calculate its translationaland rotational speeds when it reaches the bottom. (b) Whatis the ratio of translational to rotational kinetic energy atthe bottom? Avoid putting in numbers until the end so youcan answer: (c) do your answers in (a) and (b) depend onthe radius of the sphere or its mass?

Chapter 10 Solutions

EBK PHYSICS FOR SCIENTISTS & ENGINEERS

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