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The average speed of an object over a given time duration is 6m/s. If it travels first half of the duration with a constant speed of 4 m/s, its speed during the next half duration is |
| Answer» The average speed of an object over a given time duration is 6m/s. If it travels first half of the duration with a constant speed of 4 m/s, its speed during the next half duration is | |