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four dimensions

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4 articles trouvés pour ce sujet.
 
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Securing a plank in four dimensions 2001-06-06
Becca pose la question :
If it takes two nails to secure a plank from rotating on a wall in the third spatial dimension, how many nails would it take if you were attempting to secure the board from rotating in the fourth spatial dimension?
Walter Whiteley lui répond.
A four dimensional object 2001-02-14
A student pose la question :
Can you give me some examples of a four dimensional object you can find around your house?
Harley Weston lui répond.
Is a sheet of paper 2-dimensional? 2000-03-06
Jaclyn Evans pose la question :
One day, we were discussing 3-dimensional items. Is a sheet of paper considered a 3-dimensional shape? Or is it 2-dimensional as described by 8.5 by 11 size? Also, could you give me an example of a 4-dimensional item or scenario?
Harley Weston lui répond.
Measuring the fourth dimension 1999-06-07
Suzanne Hall pose la question :
Hi! The other day, two of my students asked a very interesting question: Is the fourth dimension measured with hypercubes? Their reasoning went like this: Lines are 1D and are measured with line segments, which are part of a line. Planes are 2D and are measured with squares, which are part of a plane. Space is 3D and is measured with cubes, which are part of space. So, logically, hypercubes would be used to measure the fourth dimension.
Chris Fisher lui répond.
 
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