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The power is not the same, the washing and dehydration of the washing machine is rated for large drying capacity, and the matching motor has high power. Household washing machines, in general, 3 people with a capacity of 6 kg, 2 people with a capacity of 5 kg, 4 people with a capacity of kg, more than 5 with a capacity of 7 kg is enough, no matter how big the wine is. Unless there is a special need.
Power: Power refers to the work done by an object per unit of time, i.e., power is a physical quantity that describes how fast or slow work is done. The amount of work is constant, and the shorter the time, the greater the power value.
If the work done by force is w in the interval from the start of the timing to the time t, then the ratio of the work w to the time t taken to complete the work is called power. Physical significance: a physical quantity that indicates how fast or slow an object does work; The power called per unit of time.
Power is a physical quantity that indicates how fast or slow an object does work. The formula for calculating power: power can be divided into electric power, power of force, etc.
Therefore, the calculation formula is also different. Calculation formula of electric power: p=w t =ui; In a purely resistive circuit, according to Ohm's law, substituting U=IR into P=UI also yields:
p=i*ir=(u*u) r in kinetics: power is calculated by the formula: p=w t (average power); p=fvcosa (instantaneous power) Because w = f (f force) s(s displacement) (the definition of work), the formula for finding the power can also be derived from p=f·v:
p=w t=f*s t=f*v (this formula applies to the uniform linear motion of an object) power unit: p represents power, the unit is "watts", referred to as "watts", and the symbol is "w". w stands for work, the unit is "joules", abbreviated as "joules", and the symbol is "j".
t" represents time, the unit is "seconds", and the symbol is "s".
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Solution: According to the meaning of the question, you can know the repentance.
Answer: 25kg of raw material is good before the finger is matched with 70% crushed material.
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The ratio (of raw material to regrind) is (5:1);
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Calculate the weight of the material contained in a pound of flour, 125 grams divided by 10 is equal to a gram, which is the amount of a pound, and 2 pounds is multiplied by a gram is equal to 25 grams! 2 catties need to add 25 grams!
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2 kg of powder mixed with 50 kg of raw materials;
In the same proportion;
Then 1 kg of 8 taels of powder should be mixed with (45) kg of raw materials;
45 (jin).
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25 kg of material plus 70 grams of excipients, minus 10 kg of material should add 70x15 25 = 42 grams of excipients.
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70 divided by 25 and multiplied by 15 equals 42, which should add 42 grams.
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1 kg 1 kg.
70 g kg.
25-10) (kg.
kg 42 grams.
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Gag, that is, ask how much should be added to 15 kg, which is 70x15 20
Afternoon processing is considered as unit 1
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