3
Yes, gravitational force decreases as distance increases. Actually it decreases much faster than that! You need to look up the formula.
A quantity is how much of somethere is, and a estimate is a complete or educated guess. If you know the actual quantity, then it isn't a guess. So i guess the difference is one is a guess and one is not.
A microphone and an amplifier with a loudspeaker does this. The microphone converts the soundpressure to electric signals. The amplifier amplifies these signals and the loudspeaker converts back the electric signals to sound pressure. Our ear drums are moved by the sound pressure as a sound field quantity. It is not the sound intensity as an energy quantity.
inertia
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Since that is close to its half-life, about half the original quantity will be left.
3.5
Quantity refers to an amount, value, 'how many', how much'
Quantity
Yes, gravitational force decreases as distance increases. Actually it decreases much faster than that! You need to look up the formula.
Quantity
How much there is of something.
Quantity is a noun, meaning how much, or many there is of something. The word can be abbreviated as qty.
Milton Freedman probably is the best person to look up for this answer, and he has written much on this topic. Basically it is a monetary phenomina. Increases and decreases in the money supply create inflation or deflation. Think of the root form of this word, inflate, such as a balloon or a tire. Increasing the quantity of a price does not make sense, however rising prices due to increasing the quantity of money in the money supply does.
A quantity is how much of somethere is, and a estimate is a complete or educated guess. If you know the actual quantity, then it isn't a guess. So i guess the difference is one is a guess and one is not.
Quantity is how much of something that you have. Quality is how long something lasts or how "good" it is.