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Statement of a problem № 2653

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A 14 cm inner diameter (i.d.) water main furnishes water (through intermediate pipes) to a 1.0 cm i.d. faucet pipe. If the average speed in the faucet pipe is 3.0 cm/s, what will be the average speed it causes in the water main?

Solution:
A 14 cm inner diameter (i.d.) water main furnishes water (through intermediate p

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