How it works
In linear expansion: ΔL = L0 · α · ΔT.
For surface expansion use β ≈ 2α; for volumetric expansion, γ ≈ 3α.
Expansion explains bridge joints, railway tracks and gaps in metal structures.
Educational portal for Science, Biology, Chemistry and Physics.
Estimate how the size of a body changes when its temperature changes.
Fill in the fields and see the result with the formula used.
Fill in the required data to see the result.
In linear expansion: ΔL = L0 · α · ΔT.
For surface expansion use β ≈ 2α; for volumetric expansion, γ ≈ 3α.
Expansion explains bridge joints, railway tracks and gaps in metal structures.
Physics · Kinematics
Solve kinematics problems step by step (constant velocity and constant acceleration). Includes Torricelli's equation for cases without time.
Open toolPhysics · Dynamics
F = m·a, net force (vector) and inclined plane with friction. Free step-by-step solutions.
Open toolPhysics · Energy
Kinetic, gravitational potential and elastic energy, energy conservation and work in a single tool.
Open toolShare this tool