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Your question is very interesting. I'm the trumpet on the first floor. Since there is a limit on the number of words, I will now add to it here below.
As I said on the first floor, there is no specific mathematical formula for the volume of a sheep, and even if there is, there are many unknowns in the formula. For the second floor, live sheep will fight, and will not be like a dead sheep with their whole body stuffed in the water and motionless, so this method is only suitable for measuring dead objects. The 3rd floor also has some truth, and there will be a certain error in the volume after absorption, but the error is not large.
You want to calculate the mass by volume, mass = volume x density, so you also need to know the density of sheep, but sheep are fat and thin, so the density of each sheep is not the same, so you have to calculate the mass by volume, it is better to use the method described on the first floor to find the mass directly.
As for the method of finding the volume of the sheep, I will also write it down, but it is estimated that you are about the level of junior high school, and you may not be able to understand it now.
First of all, take an empty box with a lid at the top that is much larger than the size of the sheep, let's say 50 cubic meters. Weigh out the empty box first, for example, m1, and then put the sheep in, weigh the total weight of the box and the sheep m2, and the weight of the sheep can be weighed, for example, 100kgThe density of the air is known, and I take it here as, let the volume of the sheep be x cubic meters, then:
The difference between the weight of the two is the weight of the sheep minus the weight of the air with the same volume as the sheep, i.e., m2-m1=
x=[100-(m2-m1)]/
The general formula is x = [mass of the sheep - (mass difference between two weighing)] density of air.
Hope mine you help.
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Put a full tank of water, put the sheep in it, and the water that comes out is the volume of the sheep. But sheep do not have edges, lengths, widths, and heights like cubes and cuboids, and there is no collective mathematical formula, but now only this way can the volume of sheep be calculated.
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..I won't, but I want to say a problem, the wool on the sheep, if you put the sheep in the water, the wool will absorb water, and it will also have an impact on the calculation of the volume of the sheep, that is to say, the volume of the water that comes out in the end is less than the volume of the sheep, so you can't calculate it like that, on the other hand, the title says that the weight is calculated from the volume. I wonder where you got the volume--
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It's good that you have this intellectual curiosity, and it shows that you love to think. However, the size of sheep is curved, irregular and non-standard, so there is no specific mathematical formula to calculate it at present. But I can tell you a method, I don't know if you have heard of a story called "Cao Chong Weighing the Elephant" is about how Cao Chong used the buoyancy of water to weigh the weight of the elephant, and it is the same as weighing the sheep.
I hope mine is helpful to you and I wish you progress in your studies!
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The sheep unit refers to the unit of calculation for livestock.
One sheep is equal to one sheep unit, one cow is equal to five sheep units, and one horse, donkey, and mule are each equal to five sheep units.
1 cattle = 1 cattle unit. 1 horse = cattle unit. 1 buffalo = cattle units.
1 mule = 1 ox unit. 1 goat = one cow unit. 1 donkey = one cow unit.
1 sheep = cattle units. 1 rabbit = 1 cow unit. 1 pig = cattle units.
1 chicken = one cow unit. 20 chickens = 1 sheep unit.
1 cow unit = 5 sheep = 5 sheep unit 1 horse = 4 sheep unit 1 sheep unit = 8 rabbits 1 sheep unit = 20 chickens.
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One sheep is equal to one sheep unit, one cow is equal to five sheep units, one horse, donkey, and mule are each equal to five sheep units, and ten geese are equal to one sheep unit.
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A 50-kilogram adult sheep eats 1 kilogram of green hay every day, which is equivalent to 4-5 kilograms of fresh grass. Eat 400 kg of hay or 1500-1600 kg of fresh grass a year, which is equivalent to 10 acres of grassland.
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I'll just talk about the local miscellaneous ** here here, because of many factors such as different regions and varieties of songs, the difference will be great!
50 base hail ruined base ewes, each **2000, don't say how this ewe is so expensive, I would rather spend a few hundred more to buy good, resolutely not bad. That's 100,000.
I don't count the sheep house for these 50 sheep here, because of the materials, the artificial table is troublesome.
Let's talk about forage, because I have cheap corn stalks and other crop stalks here, so forage is not very expensive. On average, the annual input of feed drugs for each ewe is about 600 yuan. It takes about 30,000 yuan of forage money a year.
This is still without accounting for the labor input, of course, there may be other inputs in practice. There are 30,000 in total, and about 130,000 in total.
Then this 50 sheep assume that 100 lambs can be produced at the same time in a year, and the lambs can be sold after 8 months, [if you are willing to feed may be able to sell earlier] these 100 lambs, the average monthly investment of a small lamb is 80 yuan, 8 months is 640, 100 sheep is about 60,005. Then the 100 lambs you prepared in the source code probably grew to an average of 80 catties of left mold and no right, per catty. 18 yuan calculation, each sheep 1460, a total of about 150,000 income, and then 150,000 minus 130,000 ewes capital is equal to 20,000 income, and then minus 100 lambs a year of investment of 60,000
Equal to minus 45,000That is to say, in the first year of your ewe money, you also posted nearly 50,000 yuan.
The third year is the time when you can earn the previous one, raising sheep is a slow job, you can't get rich overnight, what you need is your persistence.
Selected from [Shepherd's Sheep Raising Technology Network].
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Because the shape of the sheepskin plane is very irregular, it is very troublesome to calculate, of course, there are special machines nowadays, and you can also use the repair method to approximate the area, that is, try to imagine a rough estimate of a rectangle, which cannot be very accurate.
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Mortality rate of sheep on the farm = number of deaths Total number of animals raised (including the number of deaths).
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