A child on a sled reaches the bottom of a hill with
Chapter 4, Problem 4.42(choose chapter or problem)
A child on a sled reaches the bottom of a hill with avelocity of 10.0 m/s and travels 25.0 m along a horizontalstraightaway to a stop. If the child and sled together have amass of 60.0 kg, what is the average retarding force on thesled on the horizontal straightaway?
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