A mass of 50. kg is suspended from a steel wire of diameter 1.0 mm and length 11.2 m. How much will the wire stretch? (The Young's modulus for steel is 20 × 10^10 N/m^2)
The answer is 34.9 mm
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A mass of 50. kg is suspended from a steel wire of diameter 1.0 mm and...
A 107 kg mass suspended from a wire whose unstretched length is 4.05 m is found to stretch the wire by 6.40 mm . The wire has a uniform cross-sectional area of 0.130 cm2. a) If the load is pulled down a small additional distance and released, find the frequency at which it vibrates (in Hz). b) Compute Young's modulus for the wire.
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