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A 900 kg safe is 1.5 m above a heavy-duty spring when the rope holding the safe breaks. The safe...

Question:

A 900 kg safe is 1.5 m above a heavy-duty spring when the rope holding the safe breaks. The safe hits the spring and compresses it 44 cm. What is the spring constant of the spring?

Conservation of Mechanical Energy:

In the presence of various conservative forces like gravitation, spring force etc, the total mechanical energy of the system remain conserved. Though one form of potential energy may transform to other form of potential energy.

Answer and Explanation: 1

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We are given:

  • mass of safe, m = 1.5 m
  • height of release of safe from the spring end (in natural length), h = 1.5 m
  • After release, initial speed of...

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Practice Applying Spring Constant Formulas

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Chapter 17 / Lesson 11
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In this lesson, you'll have the chance to practice using the spring constant formula. The lesson includes four problems of medium difficulty involving a variety of real-life applications.


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