Physics

Centripetal Acceleration

Acceleration toward circle center.

Formula

Formula
a = v2r

Variables

SymbolDefinitionType & rangeUnitsRole
v speed (m/s) real number (ℝ) m/s input
r radius (m) real number (ℝ) m input

Try it yourself

Interactive calculator
Result

Worked examples

Example 1
Givenspeed (m/s) = 10, radius (m) = 5
Result20
Example 2
Givenspeed (m/s) = 25, radius (m) = 50
Result12.5