A4_2 Sand Timers: A Hydrodynamical Approach

Jasmine Sandhu, Amy Edgington, Matthew Grant, Naomi Rowe-Gurney



This paper examines the relationship between the volume of sand and the time measured by a sand timer. The problem was approached by simplifying the shape of a sand timer and assuming the sand can be described by hydrodynamics. The results showed that the total time measured is dependent on the dimensions of the sand timer.

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