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The energy contained in a wire when it extended by 0.02m by a force 500...

Physics
JAMB 1995
The energy contained in a wire when it extended by 0.02m by a force 500 N is
  • A. 5J
  • B. 10J
  • C. 103J
  • D. 104
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Correct Answer: Option A
Explanation
Energy = \(\frac{1}{2}\)Fe

= \(\frac{1}{2}\) x 500 x 0.02

E = 5J
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