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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 | |