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A particle moves along x-axis with speed 6m/s for the first half distance of a journey and the second half distance with a speed 3m/s. The average speed in the total jouney is? ​
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A particle moves along x-axis with speed 6m/s for the first half distance of a journey and the second half distance with a speed 3m/s. The average speed in the total jouney is?

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User Daritza
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User Megan Squire
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