Find the minimum diameter of a steel wire 18 m long that will stretch no more than 9 mm when a load of 380 kg is hung on the lower end. (Y steel = 2.0 × 10^11 N/m2)


6.89 mm

Physics & Space Science

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Indicate whether the statement is true or false

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Radioactivity Basics: The nuclei of He are also known as

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A lithium atom, mass 1.17 × 10-26 kg, vibrates with simple harmonic motion in a crystal lattice, where the effective force constant of the forces on the atom is k = 49.0 N/m

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