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Sara B.

asked • 10/28/20

An extraterrestrial creature has chosen to remove one of its teeth by tying a piece of elastic from its tooth to the chain on a garage door ........

An extraterrestrial creature has chosen to remove one of its teeth by tying a piece of elastic from its tooth to the chain on a garage door which runs on a horizontal track 10 feet directly above its mouth. If the garage door moves the chain at 1/4 feet per second, how fast is the elastic expanding when it is stretched to a length of 15 feet?



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