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Grade: 11
        Question is described fully in image and is from chapter elasticity.
2 years ago

Answers : (1)

Vikas TU
9484 Points
							
We need to calculate the Tension first in the string.
Therefore,
2g – T = 2a
and
T – g = a
Solving both the eqns. we get,
T = > 4g/3 N
Stress = T/pir^2 => 4g/2*10^9*3 = r^2
r = 6.66 * 10^-9 m 
2 years ago
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