A force of 15N stretches a spring to a total length of 30cm. An additional…

Physics JAMB 1994

A force of 15N stretches a spring to a total length of 30cm. An additional force of 10N stretches the spring 5cm further. Find the natural length of the spring

  • 25.0cm
  • 22.5cm checkmark
  • 20.0cm
  • 15.0cm

The correct answer is: B

Explanation

\(\frac{15}{30 - L}\) = \(\frac{10}{5}\)

L = 22.5cm
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