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Fluid Streamlines
Fluid Streamlines
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Adjust the flow speed and watch streamlines curve around the obstacle.
Flow speed
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Collision Simulator
Set two masses and velocities and watch an elastic collision play out.
Permutations & Combinations
Enter n and r to instantly calculate nPr and nCr.
Moment of Inertia
Compare how a disk, ring, rod, or sphere resist rotation for the same mass and radius.
Venn Diagram Calculator
Adjust two set sizes and their overlap to see the union and each region's count.
Collision Simulator
Set two masses and velocities and watch an elastic collision play out.
Permutations & Combinations
Enter n and r to instantly calculate nPr and nCr.
Moment of Inertia
Compare how a disk, ring, rod, or sphere resist rotation for the same mass and radius.
Venn Diagram Calculator
Adjust two set sizes and their overlap to see the union and each region's count.
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