Properties of Matter Part 2

Section: Physics

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Question : 55 of 100

Marks: +1, -0

A string of area of cross-section

4 \mathrm{mm}^2

0.5 \mathrm{m}

is connected with a rigid body of mass

2 \mathrm{kg}

. The body is rotated in a vertical circular path of radius

0.5 \mathrm{m}

. The body acquires a speed of

5 \mathrm{m}/\mathrm{s}

at the bottom of the circular path. Strain produced in the string when the body is at the bottom of the circle is ____

\times 10^{-5}

(use Young's modulus

10^{11} \mathrm{N}/\mathrm{m}^2

g = 10 \mathrm{m}/\mathrm{s}^2

[28-Jul-2022-Shift-2]

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