OME 1965 Problem 3
A disk in a record turntable makes revolutions per minute and it plays during minutes and seconds. The recorded line over the disk is a spiral with a diameter that decreases uniformly from cm to cm. Compute the length of the recorded line.
Dataset text AI-MO AoPS. Quoted with source.
Solutions
No solution is on olymmath yet. Official and human solutions come first when they arrive. AI solutions come after them, with a label.