1.

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 4m/s ,it's speed during the next half duration is what?

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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 4m/s ,it's speed during the next half duration is what?



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