MCQOPTIONS
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| 1. |
A 100 gram ball is kept on the top of a building of 70 m height. Find the potential energy of the ball (assume g = 10 m/s2) |
| A. | 70 J |
| B. | 80 J |
| C. | 50 J |
| D. | 60 J |
| Answer» B. 80 J | |