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A wire suspended vertically from one of its ends is stretched by attaching a weight of 200N to the lower end.

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asked Mar 22, 2018 in Physics by paayal (26,720 points) ● 4 ● 6 ● 11

A wire suspended vertically from one of its ends is stretched by attaching a weight of 200N to the lower end. The weight stretches the wire by 1mm. Then the elastic energy stored in the wire is

(a) 0.2J 

(b) 10J 

(c) 20J 

(d) 0.1J.

1 Answer

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answered Mar 22, 2018 by sanjaydas (61,430 points) ● 5 ● 7 ● 7
selected Mar 24, 2018 by Vikash Kumar
 
Best answer

(d) : Elastic energy per unit volume

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