Mass flow rate ============== Mass flow rate is the rate of change in the mass of an object. Examples include the outflow of a substance from a certain volume, the flow in a pipe section, the combustion of fuel. **Links:** #. `Wikipedia `__. .. py:currentmodule:: symplyphysics.definitions.mass_flow_rate .. py:data:: time :attr:`~symplyphysics.symbols.basic.time`. Symbol: :code:`t` Latex: :math:`t` Dimension: :code:`time` .. py:data:: mass_flow_rate :attr:`~symplyphysics.symbols.classical_mechanics.mass_flow_rate` as a function of time. Symbol: :code:`mu(t)` Latex: :math:`\mu{\left(t \right)}` Dimension: :code:`mass/time` .. py:data:: mass :attr:`~symplyphysics.symbols.basic.mass` as a function of time. Symbol: :code:`m(t)` Latex: :math:`m{\left(t \right)}` Dimension: :code:`mass` .. py:data:: definition :code:`mu(t) = Derivative(m(t), t)` Latex: .. math:: \mu{\left(t \right)} = \frac{d}{d t} m{\left(t \right)}