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NEET
Exam
NEET
Subject
Physics
Chapter
Mechanical Properties of Solids

NEET · Physics · Mechanical Properties of Solids

What is the elongation of the wire when a 14.5 kg mass, fastened to...

What is the elongation of the wire when a 14.5 kg mass, fastened to the end of a steel wire of unstretched length 1.0 m, is whirled in a vertical circle with an angular velocity of 2 rev/s at the bottom of the circle, given that the cross-sectional area of the wire is 0.065 cm²?

Options

  1. A1.87 × 10−3m1.87~\times ~{{10}^{-3}}m
  2. B1.87 × 10−4m1.87~\times ~{{10}^{-4}}m
  3. C1.87 × 10−5m1.87~\times ~{{10}^{-5}}m
  4. D1.87 × 10−2m1.87~\times ~{{10}^{-2}}m

Correct answer

A. 1.87 × 10−3m1.87~\times ~{{10}^{-3}}m

Step-by-step solution

Correct Option is : (A)
1.87 × 10−3m1.87~\times ~{{10}^{-3}}m
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