Centripetal acceleration via angular speed and radius ===================================================== *Centripetal acceleration* is defined as the change in velocity tangential to the velocity vector. **Links:** #. `Physics LibreTexts, second part of equation 6.2.5 `__. .. py:currentmodule:: symplyphysics.laws.kinematics.centripetal_acceleration_via_angular_speed_and_radius .. py:data:: centripetal_acceleration Centripetal, or normal, :attr:`~symplyphysics.symbols.classical_mechanics.acceleration`. Symbol: :code:`a_n` Latex: :math:`a_{n}` Dimension: :code:`acceleration` .. py:data:: angular_speed :attr:`~symplyphysics.symbols.classical_mechanics.angular_speed`. Symbol: :code:`w` Latex: :math:`\omega` Dimension: :code:`angle/time` .. py:data:: radius_of_curvature Instantaneous :attr:`~symplyphysics.symbols.basic.radius_of_curvature`. Symbol: :code:`r` Latex: :math:`r` Dimension: :code:`length` .. py:data:: law :code:`a_n = w^2 * r` Latex: .. math:: a_{n} = \omega^{2} r