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Ch4 HW1 S2008 - Ch4 HW1 S2008 4/25/08 10:26 AM Web Assign...

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4/25/08 10:26 AMCh4 HW1 S2008Ch4 HW1 S2008 (Homework)KRISTIN SEILOFFPHYS 2211 M & N Spring 08, section N05, Spring 2008Instructor: Jennifer CurtisDescriptionStiffness of interatomic bond; Young's modulus; compression forcesNote that the multiple-choice question has only one submission, so thinkcarefully.InstructionsReading: Sec. 4.5-4.7WebAssignCurrent Score:8 out of 8Due:Wednesday, February 6, 200812:00 PM EST1. 2/2 points | 3/4 submissionsYou hang a massMfrom a spring, which stretches an amount10mm. Then you cut the spring in half and hang the same massMfrom one half.How much does the half-length spring stretch?
Page 1 of 35mmA spring has stiffness50N/m. You cut the spring in half. What is the stiffness of the half-length spring?

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Term
Fall
Professor
SCHATZ
Tags
Physics, Current, Force, Work, Orders of magnitude, rod, sectional area

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