Asked by jerome

question: your propessor enters a dogsled race during the winter break to get started she pulls the sled (total mass 80kg) with a force of 180N at 20degrees the sled moves 5m along horizontal.
find the work she does

find the final speed of the sled after it moves change in x=5m, assuming that it starts from rest and there is no friction

Answers

Answered by Henry
Work = Fx*d = 180*cos20 * 5 = 845.7 J.

I don't understand what you are saying in the last paragraph.

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