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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > A horizontally orientied unifrom copper rod of length l is rotating about a vertical axis passing through its centre. Calculate the rotated frequency at which the rod ruptures. Breaking or rupture strength of copper is σ and density of copper is ρ.

A horizontally orientied unifrom copper rod of length l is rotating about a vertical axis passing through its centre. Calculate the rotated frequency at which the rod ruptures. Breaking or rupture strength of copper is σ and density of copper is ρ.

A steel ring of radius r and cross section area A is fitted on to a wooden disc of radius R(R>r). If Young's modulus be R Search Results Featured snippet from the web Image result for two bars A and B are stuck using an adhesive then the force with which the steel ring is expanded is