9. A cylindrical pulley (M = 15 kg and r= 25 cm) is unwinding from rest under the action of a block of mass m = 3.0 kg, as shown. If h = 1.5 m, find: a. The impact speed of m. b. The angular speed of the pulley at that instant. c. The angular acceleration of the pulley. d. The angular momentum of the pulley (w/r to its c.m.) at the moment m strikes the ground. Is it conserved? Explain. m h
9. A cylindrical pulley (M = 15 kg and r= 25 cm) is unwinding from rest under the action of a block of mass m = 3.0 kg, as shown. If h = 1.5 m, find: a. The impact speed of m. b. The angular speed of the pulley at that instant. c. The angular acceleration of the pulley. d. The angular momentum of the pulley (w/r to its c.m.) at the moment m strikes the ground. Is it conserved? Explain. m h
Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter13: Rotation Ii: A Conservation Approach
Section: Chapter Questions
Problem 43PQ: A buzzard (m = 9.29 kg) is flying in circular motion with aspeed of 8.44 m/s while viewing its meal...
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