A metal rod of length 2.5m and area of cross-section `2.5xx10^(-4)m^(2)` is elongated by `2.5xx10^(-3)`m by a force of 600N. The

A metal rod of length 2.5m and area of cross-section `2.5xx10^(-4)m^(2)` is elongated by `2.5xx10^(-3)`m by a force of 600N. Then energy stored in the rod is,
A. 75 J
B. 0.75 J
C. 25 J
D. 50 J

A metal rod of length 2.5m and area of cross-section `2.5xx10^(-4)m^(2)` is elongated by `2.5xx10^(-3)`m by a force of 600N. Then energy stored in the

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