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QUESTION
When an 83.0-kg adult uses a spiral staircase to climb to the second floor of his house, his gravitational potential energy increases by 2.10 x 103...
When an 83.0-kg adult uses a spiral staircase to climb to the second floor of his house, his gravitational potential energy increases by 2.10 x 103 J. By how much does the potential energy of a 15.0-kg child increase when the child climbs a normal staircase to the second floor?
