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B47 A submerged wreck is lifted trom a dock basin by means of a crane to which is attached a steel cable 10m long of cross-sectional area 5 cm? and Young's modulus 5 x 10"Nm. The material being lifted has a mass 10*kg and mean density 8000 kg m . Find the change in extension of the cable as the load is lifted clear of the water. Assume that at all times the tension in the cable is the same throughout its length. Density of water = 1000 kg m .

B47 A submerged wreck is lifted trom a dock basin by means of a crane to which is attached a steel cable 10m long of cross-sectional area 5 cm? and Young's modulus 5 x 10"Nm. The material being lifted has a mass 10*kg and mean density 8000 kg m . Find the change in extension of the cable as the load is lifted clear of the water. Assume that at all times the tension in the cable is the same throughout its length. Density of water = 1000 kg m .

Physics for Scientists and Engineers: Foundations and Connections
Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter14: Static Equilibrium, Elasticity, And Fracture
Section: Chapter Questions
Problem 57PQ: A copper rod with length 1.4 m and cross-sectional area 2.0 cm2 is fastened to a steel rod of length...
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B47 A submerged wreck is lifted from a dock basin by means of a crane to which is attached a steel cable 10m long of cross-sectional area 5 cm? and Young's modulus 5 x 10" Nm. The material being lifted has a mass 10* kg and mean density 8000 kg m '. Find the change in extension of the cable as the load is lifted clear of the water. Assume that at all times the tension in the cable is the same throughout its length. Density of water = 1000 kg m .
Transcribed Image Text:B47 A submerged wreck is lifted from a dock basin by means of a crane to which is attached a steel cable 10m long of cross-sectional area 5 cm? and Young's modulus 5 x 10" Nm. The material being lifted has a mass 10* kg and mean density 8000 kg m '. Find the change in extension of the cable as the load is lifted clear of the water. Assume that at all times the tension in the cable is the same throughout its length. Density of water = 1000 kg m .
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