The elevator

The elevator car weighing 400 kg rises from the third to the fifth floor. By what value will the potential gravitational energy of the cabin increase? What useful work will the elevator motor do? The height of one floor is 5m .

Correct answer:

E =  40000 J

Step-by-step explanation:

g=10 m/s2 m=400 kg  h=(53) 5=10 m  E=m g h=400 10 10=40000 J



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