If it has a quart capacity, how many pennies can you put into a empty piggy bank?
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If it has a quart capacity, how many pennies can you put into a empty piggy bank?
Send me a message and win a fabulous prize!
If it has a quart capacity, how many pennies can you put into a empty piggy bank?
Send me a message and win a fabulous prize!
Easy question.
Penny Diameter = 0.75 inches
Penny Thickness = 0.061 inches
Penny Area = pi x (d/2)^2 = 0.4418 square inches
Penny Volume = (0.4418 square inches) x (0.061 inches) = 0.0270 cubic inches
1 US Quart = 57.75 cubic inches (conversion factor)
(57.75 cubic inches)/(0.0270 cubic inches per penny) = 2142.94 pennys
or just 2142 pennies since we can't have a partial penny.
Pssh, easy question, next.
So what's heavier a pound of pennies or a pound of space?
Are you referring to pound-mass or pound-force? There is a distinction in the English System (also why it is so dumb).
Ok since 1 pound mass = 0.45359237 kilograms 1 pound force ≡ 0.45359237 kg × 9.80665 m/s² (1 pound force) = (1 pound mass)(32.2 ft/s^2), it's your choice.
Ok since 1 pound mass = 0.45359237 kilograms 1 pound force ≡ 0.45359237 kg × 9.80665 m/s² (1 pound force) = (1 pound mass)(32.2 ft/s^2), it's your choice.
But your original question is nonsensicle regardless of whether we assume lbm or lbf, because you cannot apply either pound-mass or pound-force to "space."
If anything, "space" involves the fundamental dimension of length and nothing more, e.g.,
Volume = {length x length x length}.
But "force" is made up of several fundamental dimensions, i.e.,
{Force} = {Mass x (Length/Time^2)}
If it has a quart capacity, how many pennies can you put into a empty piggy bank?
Send me a message and win a fabulous prize!
Easy question.
Penny Diameter = 0.75 inches
Penny Thickness = 0.061 inches
Penny Area = pi x (d/2)^2 = 0.4418 square inches
Penny Volume = (0.4418 square inches) x (0.061 inches) = 0.0270 cubic inches
1 US Quart = 57.75 cubic inches (conversion factor)
(57.75 cubic inches)/(0.0270 cubic inches per penny) = 2142.94 pennys
or just 2142 pennies since we can't have a partial penny.
You are incorrect, Mr. Easy Question
If it has a quart capacity, how many pennies can you put into a empty piggy bank?
Send me a message and win a fabulous prize!
Easy question.
Penny Diameter = 0.75 inches
Penny Thickness = 0.061 inches
Penny Area = pi x (d/2)^2 = 0.4418 square inches
Penny Volume = (0.4418 square inches) x (0.061 inches) = 0.0270 cubic inches
1 US Quart = 57.75 cubic inches (conversion factor)
(57.75 cubic inches)/(0.0270 cubic inches per penny) = 2142.94 pennys
or just 2142 pennies since we can't have a partial penny.
You are incorrect, Mr. Easy Question
LIES! ALL LIES! My math is perfect! >_<
@ Teary_Oberon I agree with your calculations but I think you have forgot to add in one variable. The Quart container can be of unusual shape and due to the size of the penny not all usable space will be able to contain a penny. So there will be a certain amount of unfilled space within the container. I have no idea how to calculate that unfilled space. For sure the actual amount of penny's will be less then the calculated volume of the container.
Yes, I considered that; but unless we are given the exact shape of the container then it is impossible to determine. And even if we were given the shape of the container, it might take nothing less than a powerful 3D modeling program with collision detection (and about 10 hours of work), to figure it out.
But if you want to estimate, then we could always subtract a good sounding percentage from the volume, say 5% as a top end guess?
(57.75 cubic inches) x (0.95) = 54.86 cubic inches
(54.86 cubic inches) / (0.027 cubic inches per penny) = 2031 pennies
So the answer probably lies somewhere between 2031 pennies and the absolute maximum of 2142 pennies, and that is the closest we can come =/.
Since we are off the subject, I should be on the beach checking out the bikinis!
No need for pennies there, 
@ Teary_Oberon I agree with your calculations but I think you have forgot to add in one variable. The Quart container can be of unusual shape and due to the size of the penny not all usable space will be able to contain a penny. So there will be a certain amount of unfilled space within the container. I have no idea how to calculate that unfilled space. For sure the actual amount of penny's will be less then the calculated volume of the container.
Yes, I considered that; but unless we are given the exact shape of the container then it is impossible to determine. And even if we were given the shape of the container, it might take nothing less than a powerful 3D modeling program with collision detection (and about 10 hours of work), to figure it out.
But if you want to estimate, then we could always subtract a good sounding percentage from the volume, say 5% as a top end guess?
(57.75 cubic inches) x (0.95) = 54.86 cubic inches
(54.86 cubic inches) / (0.027 cubic inches per penny) = 2031 pennies
So the answer probably lies somewhere between 2031 pennies and the absolute maximum of 2142 pennies, and that is the closest we can come =/.
your getting warmer...
Hint below:
stop overthinking it
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I'll just comment on this foru... (snores)