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## molecular physics

### 3. Series 15. Year - 3. an icicle

Describe the shape of an icicle growing from a rotating wheel of a ski-lift. The angle between the wheel and the horizontal plane is denoted $\alpha$, angular velocity of the wheel is $\omega$ and the icicle starts growing at a distance $r$ from the the axis.

Úlohu vymyslel Pavel Augustinský.