MCQOPTIONS
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MCQOPTIONS
| 1. |
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» E. | |