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A 75-kg refrigerator is located on the 70th floor of a skyscraper (300 meters above the ground) What is the potential en

Guide :High School

A 75-kg refrigerator is located on the 70th floor of a skyscraper (300 meters above the ground) What is the potential energy of the refrigerator?

A 75-kg refrigerator is located on the 70th floor of a skyscraper (300 meters above the ground) What is the potential energy of the refrigerator?
Formula for potential energy is V=mgh, where m is mass in KG, g is earth acceleration (10 m/s^2), and h its height in meters. We know mass, acceleration is constant and also known, we know height also. Lets substituteV=75*10*300=225000[J]=225[kJ] - its the answer :) ...

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