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Collision and Friction :: Discussion
| 7. | How high must the body be lifted to gain an amount of potential energy equal to the kinetic energy it has when moving at a speed of 20m/s? g=9.8m/s2? | |
| A. | 20m | |
| B. | 20.0m | |
| C. | 202m | |
| D. | 22m | |
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