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An elastic string of force constant 200N m-1 is stretched through 0.8m within its ...

An elastic string of force constant 200N m-1 is stretched through 0.8m within its elastic limit. Calculate the energy stored in the string
Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE
  • A 64.0J
  • B 80.0J
  • C 128.0J
  • D 160.0J
Correct Answer: Option A
Explanation:
E = \(\frac{1}{2}Ke^2\)
= \(\frac{1}{2} \times 200(0.8)^2 = 64J\)

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