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PE practice questions and answers

A group of dog pulls a sled across a snow covered surface. It takes 5 hours to pull the 200 kg sled 100 kilometers. If the static friction is 0.4 and the dynamic friction is 0.1 what is the average power exerted by the dog sled team?

(A) 1,067 W

(B) 5,333 W

(C) 3,84 kW

(D) 266.8 W

The Correct Answer
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Explanation

The Principles and Practice of Engineering exam is the examination required for one to become a Professional Engineer (PE) in the United States. It is the second exam required, coming after the Fundamentals of Engineering exam.