01 Invent Yourself: Pinhole sunglasses
02 Disc spectrometer
03 Snail ball
04 Singing capacitor
05 Y-shaped pendulum
01 Invent Yourself: Pinhole sunglasses
02 Disc spectrometer
03 Snail ball
04 Singing capacitor
05 Y-shaped pendulum
A hollow sphere contains a heavy ball and some viscous fluid. The rolling motion of such a sphere down an inclined plane is uneven and surprisingly slow. Explain and investigate this effect.
