Problem: A spring is compressed against a 1 kg disk with radius 5 cm such that as the spring expands, its force is applied to the rim of the disk, allowing it to roll without slipping. If the spring has a force constant of 10 N/m, and it's compressed to 10 cm, how fast does the disk roll once the spring has expanded fully?

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A spring is compressed against a 1 kg disk with radius 5 cm such that as the spring expands, its force is applied to the rim of the disk, allowing it to roll without slipping. If the spring has a force constant of 10 N/m, and it's compressed to 10 cm, how fast does the disk roll once the spring has expanded fully?

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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 Conservation of Energy in Rolling Motion concept. You can view video lessons to learn Conservation of Energy in Rolling Motion Or if you need more Conservation of Energy in Rolling Motion practice, you can also practice Conservation of Energy in Rolling Motion practice problems .