By how much does the potential energy of an 150-kg child

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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 1.75 x 10³ J. By how much does the potential energy of a(n) 15.0-kg child increase when the child climbs a normal staircase to the second floor?

Reference no: EM13643611

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