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Work Done :: Discussion
| 2. | An athlete in the Olympic game covers a distance of 100m in 10s. His kinetic energy can be estimated in the range? | |
| A. | 200J – 500J | |
| B. | 2×105J – 3×105J | |
| C. | 20000J – 50000J | |
| D. | 2000J – 5000J | |
| Answer: Option D | |
| Explanation: | |
|
Average speed of the athlete, v = s/t = 10m/s |
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| Tutorial Link: |
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