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Courses

Teacher-curated, self-paced courses. Looking for a guided sequence through a full topic? See Learning Paths.

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1 course
Viscosity and Surface Tension
Physics · High School (11–12) · Surface Tension and Capillarity, Fluid Flow, Bernoulli's Principle and Viscosity
FreeCh 9 · 3/3

Honey flows slowly, a raindrop falls at a steady speed, an insect walks on water, and water climbs up in a thin tube. In this course we study the internal friction of a fluid, its viscosity, with Stokes' law and the terminal speed, and the surface tension of a liquid, with surface energy, the pressure inside drops and bubbles, the angle of contact and capillary rise.

3Lessons12Problems3Python Labs1Question Set1Mock Test
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