MCQOPTIONS
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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 × 10⁵ J |
| B. | 4.32 × 10⁵ J |
| C. | 2.34 × 10⁵ J |
| D. | 1.16 × 10⁵ J |
| Answer» B. 4.32 × 10⁵ J | |