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Problem: A steel wire of length 2.08m with circular cross section must stretch no more than 0.220cm when a tensile (stretching) force of 410N is applied to each end of the wire.
Part A: What minimum diameter dmin is required for the wire?
I need help to solve the above problem and express your answer in millimeters. Take Young's modulus for steel to be Y = 2.00×1011Pa.
A long straight wire has fixed negative charge with a linear chargedensity of magnitude 4.0 nC/m. The wire isto be enclosed by a coaxial, thin-walled, nonconducting cylindricalshell of radius 1.6 cm.
Data on the modulus of elasticity obtained 1 minute after loading in a certain configuration and 4 weeks after loading for the same lumber specimens is presented here.
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Three point charges, -6.05 10-9 C, -9.75 10-9 C, and +7.50 10-9 C, are fixed at different positions on a circle. What is the radius of the circle
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