The system in Figure is released from rest. The 30-kg block is 2 m above the ledge.

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The system in Figure is released from rest. The 30-kg block is 2 m above the ledge. The pulley is a uniform disk with a radius of 10 cm and mass of 5 kg. Find

(a) The speed of the 30-kg block just before it hits the ledge,

(b) The angular speed of the pulley at that time,

(d) The time it takes for the 30-kg block to reach the ledge. Assume that the string does not slip on the pulley.

m = 5 kg r = 10 cm 30kg 2m 20kg

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Fundamentals of Ethics for Scientists and Engineers

ISBN: 978-0195134889

1st Edition

Authors: Edmund G. Seebauer, Robert L. Barry

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Question Posted: Jun 29, 2011 03:17 AM

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The system in Figure is released from rest. The 30-kg block is 2 m above the ledge.

Question:

m = 5 kg r = 10 cm 30kg 2m 20kg

Step by Step Answer:

a m 1 20 kg m 2 30 kg use energy conservation m 2 gh m 1 gh 12 m 1 v 2 m 2 ...View the full answer

Fundamentals of Ethics for Scientists and Engineers

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