JEE Main & Advanced
Physics
Wave Mechanics
Question Bank
Self Evaluation Test - Mechanical Properties of Solids
question_answer
A steel wire 1.5 m long and of radius 1 mm is attached with a load 3 kg at one end the other end of the wire is fixed. It is whirled in a vertical circle with a frequency 2 Hz. Find the elongation of the wire when the weight is at the lowest position. [\[Y=2\times {{10}^{11}}N/{{m}^{2}}\,\,\,\,\,\,g=10m{{s}^{-2}}\]]