A pendulum consists of a 2-kg bob attached to a light string of length 3 m. The
Question:
A pendulum consists of a 2-kg bob attached to a light string of length 3 m. The bob is struck horizontally so that it has an initial horizontal velocity of 4.5 m/s. For the point at which the string makes an angle of 30° with the vertical, what is
(a) The speed?
(b) The potential energy?
(c) The tension in the string?
(d) What is the angle of the string with the vertical when the bob reaches its greatest height?
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a For h 30 o h L1 cos q h 0402 m v 2 v 0 2 2gh v 4...View the full answer
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Related Book For 
Fundamentals of Ethics for Scientists and Engineers
ISBN: 978-0195134889
1st Edition
Authors: Edmund G. Seebauer, Robert L. Barry
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