A block of mass 100 g is attached to the end of a string of unknown material of 50 cm long and cross-sectional area \pi^2 {\cm}^2. When the block is whirled horizontally at a constant angular speed of 40 rps , it moves along a circular path of radius 52 cm . Yong's modulus of the material is

Correct Answer is : 8.32×108 dyne cm−2

6.4 \times 10^8 dyne {\cm}^{-2}

16.64 \times 10^8 dyne {\cm}^{-2}

8.32 \times 10^8 dyne {\cm}^{-2}

AP EAMCET Medical 17 May 2024 Shift 4 Paper

Question : 94 of 160

Marks: +1, -0

A block of mass 100 g is attached to the end of a string of unknown material of 50 cm long and cross-sectional area π2cm2. When the block is whirled horizontally at a constant angular speed of 40 rps , it moves along a circular path of radius 52 cm . Yong's modulus of the material is

6.4×108 dyne cm−2
16.64×108 dyne cm−2
4×108 dyne cm−2
8.32×108 dyne cm−2

Validate

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