a cylinder is 5 ft long with a diameter of 2 ft,a pump pours gas at the rate of 3ft(cubed)per minute?MATH HELP

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a cylinder is 5 ft long with a diameter of 2 ft,a pump pours gas at the rate of 3ft(cubed)per minute?MATH HELP

How many minutes does it take to fill the empty tank with that pump?

2007-07-10 13:46:20 · 2 answers · asked by Anonymous in Education & Reference ➔ Homework Help

2 answers

rate: 3 ft^3/minute

volume of cylinder: circular area * length

VOLUME = A*L = [ (pi*D^2)/4 ] * L
where D = 2.0 ft, and L = 5.0 ft
Volume will have units of ft^3.

TIME TO FILL TANK = VOLUME/RATE

... = (VOLUME)/(3ft^3/minute)

good luck

2007-07-10 13:54:12 · answer #1 · answered by Dominic D 2 · 0⤊ 0⤋

5pi/3

2007-07-10 13:55:41 · answer #2 · answered by jsardi56 7 · 0⤊ 0⤋