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Moment of Inertia :: Discussion
| 5. | Two identical balls A and B collide head on elastically. If velocities of A and B, before the collision are +0.5m/s and -0.3m/s respectively, then the velocities after the collision, are? | |
| A. | -0.5m/s and +0.3m/s | |
| B. | +0.5m/s and +0.3m/s | |
| C. | +0.3m/s and -0.5m/s | |
| D. | -0.3m/s and +0.5m/s | |
| Answer: Option D | |
| Explanation: | |
|
In an elastic collision between two bodies of equal masses, velocities get exchanges after collision. vA=-0.3m/s and vB=+0.5m/s. |
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