80. Go 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 X 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?

Q: Med exam تم البدء: 18 أبريل في 0 20:0 إرشادات الاختبار g=10 m/s2 2.5 نقطة )نقاط( السؤال 2

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Instantaneous Power

Power is defined in physics as the amount of energy transmitted or transformed per unit time. The watt is the unit of electricity in the International System of Units, equivalent to one joule per second.