Question

A bridge is made from 20m long iron rods . At temperature 18 °C, the distance between two rods is 0.4cm. Up to what temperature will be bridge be in good shape?

Answer 1

It is given that the length of the bars = 20 m = 2000 cm, temperature T = 18 degree Celsius, and the separation between the two poles is 0.4 cm.  

It is required to locate the greatest temperature at which the scaffold is still in a decent shape.  

The extension will be in a decent shape until the point when the two bars extend by 0.2 cm each as the temperature increments. In this way, let the all out extension be 0.4 cm (2 x 0.2 cm)  

The arrangement is given in the following images.

Answer 2

Answer:

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