Physics · 2022
JEE Main · 29 July 2022, Shift 2 · Q53
A metal wire of length 0.5 m and cross-sectional area 10^-4 m^2 has breaking stress 5 × 10^8 Nm^-2. A block of 10 kg is attached at one end of the…
A metal wire of length $\displaystyle 0.5$ m and cross-sectional area $\displaystyle 10^{-4} \mathrm{~m}^2$ has breaking stress $\displaystyle 5 \times 10^8 \mathrm{Nm}^{-2}$. A block of $\displaystyle 10$ kg is attached at one end of the string and is rotating in a horizontal circle. The maximum linear velocity of block will be \_\_\_\_ $\displaystyle \mathrm{ms}^{-1}$.
Official answer
50
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JEE Main 2022 Physics question, with the answer from NTA’s final answer key. Where our answers come from.