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Collision and Friction :: Discussion
| 2. | The momentum of a body of mass 5kg is 500kgm/s. Find its kinetic energy? | |
| A. | 2×105 J | |
| B. | 2.5×104 J | |
| C. | 2.5×105 J | |
| D. | 2.5J | |
| Answer: Option B | |
| Explanation: | |
|
Kinetic energy = p2/2m = 5002/(2×5) |
|
| Tutorial Link: |
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