Pat, Shannon and Fido (their dog) are on a circular path 100 feet around. Fido is...

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Pat, Shannon and Fido (their dog) are on a circular path 100feet around. Fido is very excited. Shannon starts walking aroundthe path maintaining a speed of 1 foot per second, while Pat staysstill. Fido begins racing back and forth between Pat and Shannon onthe circular path along the section of the path Shannon has NOTwalked on. What is Fidoâ€™s average speed if he has just returned toPat for the 5th time when Shannon gets to the half-way point?IMPORTANT Assume Fido maintains a constant speed of3 feet per second for this last run back to Pat.IMPORTANT Also, assume that Fido met Shannon at equally spacedmoments in time (including the starting).

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3.5 Ratings (614 Votes)

perimeter 100 feets stands for speedF meets S at equal intervals of time call it secondsSince S is walking at 1 fps the distance covered by S in seconds is feetS has walked halfway 50 feet when F meets for 5th timeSo P is See Answer

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