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# formula calculating cubic meters

Question:Homework question: Calculate the number of cubic meters of water in a fish tank holding 1.029 cubic yards of water. Hint: 1 meter = 1.093 yards the answer to this question is 0.7881 m^3, but how do i get this answer? what step do i start with? thanks.

Answers:Since 1 meter = 1.093 yards If you take a cube, 1 meter on each side. Each side will be 1.093 That means 1 cubic meter = ( 1.093)^3 cubic yards 1.029 cubic yards = 1.029 /(1.093^3) cubic meters = 0.7881 cubic meters NOTE--The conversion rate given (1 meter = 1.093 yards) is not accurate There are EXACTLY 2.54 cm in 1 inch. Which means there are exactly 0.9144 meters in 1 yard. 1.029 cubic yards would be 1.029*(0.9144^3) =0.7867 cubic meters(rounded to nearest ten-thousandth

Question:Is there any standard formula to calculate the 1 cubic meter cement for each mix?

Answers:Cement quantity of nominal mix 1:2:4 for 1 cubic meter is 6.36 begs. ( 50 kgs / beg) based on 18 begs / 100 cubic feet. how to calculate it for mix 1:3:6? Assumptions: Loose Cement 1440 Kg/ cubic meter Loose Sand 1525 Kg /cubic meter aggregate avarage 1500 Kg / cubic meter 7 cubic meters of loose mix will give 5 cubic meters of solid concrete. 1:3:6, 1 cubic meter of cement + 3 c.m. of sand + 6 c.m. of aggregate will give 10 cubic meters of loose material. when mixed in a mixture will give 10 x ( 5/7) = 7.143 cubic meters of solid containing 1440 Kg of cement. So 1 cubic meter will have 1440 / 7.143 = 201.59 Kg of cement 201.59 / 50 = 4.03 begs/ cubic meters of 1:3:6 mix

Question:how many cubic meters of water there are on a lake which is 800meters long by 200 meters wide by 10 meters deep.

Answers:The above answers assume that your lake has a constant depth; kind of unlikely. If you want to be a clever trousers you might point that out unless this a math problem rather than a science problem.

Question:If the one cubic meter squre tank contains of 1000 liter water, if we fit one pressure guage on the bottom of the tank how much pressure will be there in the guage? how many psi/bar. if it is a round tank then what about the calculation?

Answers:1 METER = 39.37 INCHES 1 POUND H2O = 27.7 INCHES (HARD WATER) SO......39.37 INCHES H2O/ 27.7 INCHES = 1.42 POUNDS THUS IF YOUR GAGE MEASURES IN 1/10 PSI INCREMENTS YOU WILL VISUALLY SEE 1.4 PSI READING ON YOUR GAGE AT THE BOTTOM OF A CUBIC METER TANK.. ANSWER; 1.4 PSI FOR A ROUND TANK (HORTEN SPHERE) YOU DO THE MATH AND USE THE HIGHTH OF THE TANK AND THE FORMULA ABOVE TO CALCULATE THE PSI