One of the measures of stream flow is the amount of water that passes a given po

Question

One of the measures of stream flow is the amount of water that passes a given point in a unit of time. We speak of this measure in terms of cu ft/sec (cfs). If a stream is flowing at the rate of 350 cu ft/sec, how many gallons of water are passing the measurement point in 10 seconds? Hint: You need to determine how many gallons are in one cubic foot.

Using the answer for question 1, if a backyard swimming pool holds 25,000 gal of water, how long will it take to fill the pool at the flow rate given in question 1 above? Give your answer in seconds.

Explanation / Answer

1 cubic foot = 7.480523006 gallon

350 cubic foot = 2618.1830521 gallon

means 2618.1830521 gallon water flows in a one sec

capacity of backyard swimming pool is 25000 gallons

then taken time to fill a pool of 25000 gallon capacity is = 25000 / 2618.18 = 9.54 sec = approx 9 sec

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