A 4-kg block resting on a frictionless horizontal ledge is attached to a string that passes over
Question:
A 4-kg block resting on a frictionless horizontal ledge is attached to a string that passes over a pulley and is attached to a hanging 2-kg block (Figure). The pulley is a uniform disk of radius 8 cm and mass 0.6 kg.
(a) Find the speed of the 2-kg block after it falls from rest a distance of 2.5 m.
(b) What is the angular velocity of the pulley at this time?
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a Using energy conservation mgh 12 M m v 2 12 ...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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