Problem: A vertical spring supports a 5 kg mass at equilibrium by stretching 3 cm. How far would the same spring have to stretch to support a 7 kg mass at equilibrium?

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A vertical spring supports a 5 kg mass at equilibrium by stretching 3 cm. How far would the same spring have to stretch to support a 7 kg mass at equilibrium?

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What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Intro to Springs concept. If you need more Intro to Springs practice, you can also practice Intro to Springs practice problems .