1.

A lift carry 10 persons each weighing 60 kg to the top storey of the building 100 m height. Calculate the potential energy acquired by the person.

A. 5.88 √ó 10<sup>5</sup> J
B. 4.32 √ó 10<sup>5</sup> J
C. 2.34 √ó 10<sup>5</sup>J
D. 1.16 √ó 10<sup>5</sup>J
Answer» B. 4.32 ‚Äö√†√∂‚àö‚â• 10<sup>5</sup> J


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