Constant acceleration motion can be represented in motion graphs which represent velocity, acceleration, and distance as functions of time. These graphs are useful for calculating information about motion using the slopes of the curves in each plot.
Rubik's Cube is a 3-D combination puzzle invented in 1974 by Hungarian sculptor and professor of architecture ErnÅ Rubik.
Confidence votes 2.4K. The Rubik's cube was invented by Erno Rubik for a reason, it wasn't invented as a toy. He invented to teach the 3 dimensions of objects to his students at Budapest Colledge, as a proffessor in achitecture.nd it was at that moment that I came face to face with  the Big Challenge: What is the way home? - Erno Rubik  That was how the Cube as a puzzle, was invented in the spring of  1974, when the twenty-nine year old Rubik discovered it was not so  easy to realign the colors to match on all six sides.