The balance wheel of an old-fashioned watch oscillates with angular amplitude rad and period 0.500s. Find (a)
Question:
(a) The maximum angular speed of the wheel,
(b) The angular speed at displacement π/2 rad, and
(c) The magnitude of the angular acceleration at displacement π/4 rad.
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a We take the angular displacement of the wheel to be 0 0m cos2nt7 where Om ...View the full answer
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Related Book For
Fundamentals of Physics
ISBN: 978-0471758013
8th Extended edition
Authors: Jearl Walker, Halliday Resnick
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Angular movements are produced when the angle between the bones of joint changes. There are several different types of angular movements, including flexion, extension, hyperextension, abduction, adduction, and circumduction. Flexion, or bending, occurs when the angle between the bones decreases. Moving the forearm upward at the elbow or moving the wrist to move the hand toward the forearm are examples of flexion. The extension is the opposite of flexion in that the angle between the bones of a joint increase.
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