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The usual reason will be a change in the metal used. British shillings used to be made out of silver (over 90% composition), then the silver content dropped to 50%, and was lastly eliminated altogether, and then to pure cupro-nickel.
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∙ 14y ago
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Why might an older coin have a higher mass than the new one?
because morgan freeman said so
Why would old coins have a lower mass than new ones?
Many countries have changed their coin compositions over the years. The reasons can be due to metal changes, size changes, etc. Another reason is that circulation will wear down a coin, so that an older specimen actually has slightly less metal on it than when it was new.
What is the minimum mass a body can have and still considered a brown dwarf?
The lower mass limit is a subject of debate; it might be somewhere around 13 times the Jupiter mass.
What does aging do to a coin's mass?
When a coin ages it lowers the mass of a coin because usually some of the metal such as copper on a penny comes off the coin leaving it with a lighter mass then it started off with.
Can the mass of a coin be decreased by melting it?
No, if you melt a coin it is still the same mass just in a different form.
How can the mass of a coin be decreased?
You cant, the mass will always be the same, NO matter what.
What is the weight of a 1p coin?
The mass of an English penny coin is 3.56 grams.
What would be the mass of a coin of double thickness if the density remains the same?
If the density AND the diameter are the same, then the coin with double thickness has double the mass.
Is coin a mass noun?
No, the noun 'coin' is a countnoun, the plural form is coins (one coin, six coins).
What compound has a lower percent of mass by nitrogen- NO or N2O3?
The oxide N2O3 has a lower percent of mass nitrogen.
Which has the lower atomic mass cobalt or nickel?
Cobalt has an atomic mass of 58.933195(5) while nickel has an atomic mass of 58.6934(4). Nickel has the lower atomic mass.
What has more mass a coin or feather?
It depends on the coin and feather, but probably a coin. To figure it out, you can divide the weight of each (in Newtons) by 9.81 (acceleration due to gravity) to find the masses, since Mass=(Force)*(Acceleration).
