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Homework Help: Science Help Not sure

Posted by Emmanuel on Saturday, July 4, 2015 at 1:03pm.

Within the Gaetz Lake Sanctuary in Red Deer, Alberta, is a looped trail that is 4 km long. Suppose a person walked all the way around the looped trail in 1 h, ending where he or she started. Which statement best describes this person’s motion over this time interval?

A.The person moved with an average speed of 0 and an average velocity of
+ 4 km/h.

B.The person moved with an average speed of - 4 km/h and an average velocity of - 4 km/h.

C.The person moved with an average speed of 4 km/h and an average velocity of 0.

D.The person moved with an average speed of 4 km/h and an average velocity of + 4 km/h.

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