Oscillation by Friction https://www.mathematische-basteleien.de/oscillation.htm
Hence you have an harmonic motion.
Hence you have an harmonic motion.
The hexagons have 1,7,19, 37, … small hexagons.
Turning the Cubes top After you have solved one puzzle, you can easily get the
The sides don’t have the same colour, but they show nine different pictures, six
The difference is: You have to change the rational und irrational length of a side
Obviously you expect that stars must have "pointed points". 6th possibility: You
Therefore the quadrilateral is a rhombus and all sides have the same length.
But two cubes have 16 balls.
Altogether you have 1×3 + 6×4 = 27 separate smallcubes.
Cut off a strip of paper, so that you have a rectangle about double as long as broad