cynthiareyes630 cynthiareyes630

15-12-2014
Physics

Answered

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

#PLEASE HELP

Answer :

macio06 macio06

15-12-2014

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 substitute
V=75*10*300=225000[J]=225[kJ] - its the answer

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