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Value of the spring constant k

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A 750-gram air-track glider slides along at a speed of 0.85 m/s until it hits a spring attached to the end of the very heavy track. The spring is compressed by 1.35 cm at the maximum compression. What is the value of the spring constant k? I need to see each step and formula to solve this question.

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The solution provides step-by-step calculations and explanations.

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In this example, the kinetic energy from the glider will be transfered to the spring as its potential energy.

First we ...

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