Solved: When an 81.0-kg adult uses a spiral staircase to
Chapter 6, Problem 6.149(choose chapter or problem)
When an 81.0-kg adult uses a spiral staircase to climb to the second floor of his house, his gravitational potential energy increases by 2.00 103 J. By how much does the potential energy of an 18.0-kg child increase when the child climbs a normal staircase to the second floor?
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