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science & technology Online Quiz - 64
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Which will roll down a hill faster, a can of regular fruit juice or a can of frozen fruit juice?
AnswerClick to flip back
A
Regular fruit juice.
💡 Explanation:
The can of frozen juice behaves like a solid cylinder: its contents rotate with the can, increasing its moment of inertia. The regular juice can's liquid doesn't rotate as quickly, so less energy goes into rotation and more into translation, making it roll faster.