If the work required to stretch a spring 3 ft beyond its natural length is 12 ft-Ib, how much work is needed to stretch it 9 in. beyond its natural length?ft-lb

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If the work required to stretch a spring 3 ft beyond its natural length is 12 ft-lb, how much work is needed to stretch it 9 in. beyond its natural length? |ft-lb

Elementary Geometry For College Students, 7e

7th Edition

ISBN:9781337614085

Author:Alexander, Daniel C.; Koeberlein, Geralyn M.

Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.

Chapter5: Similar Triangles

Section5.4: The Pythagorean Theorem

Problem 17E: A boat is 6 m below the level of a pier and 12 m from the pier as measured across the water. How...

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If the work required to stretch a spring 3 ft beyond its natural length is 12 ft-Ib, how much work is needed to stretch it 9 in. beyond its natural length?
ft-lb

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