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A rod of length 12 m is clamped rigidly at both ends Its temperature increases by an amount 100 °C and in the ensuing expansion it cracks to form two straight pieces as shown in the figure below

A rod of length 12 m is clamped rigidly at both ends. Its temperature increases by an amount 100 °C, and in the ensuing expansion it cracks to form two straight pieces, as shown in the figure below. What is the value of d as shown in the figure below if the coefficient of linear expansion is 30x10-6 K-1 ?
(a) 10 m (b) 90 cm (c) 22 cm (d) 46 cm
 

Jun 04 2020 View more View Less

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