code: def L_sed_plate(sed_inputs=sed_dict):
      
      L_sed_plate = ((sed_input['plate_settlers']['S'] * ((sed_input['tank']['vel_up']/sed_input['plate_settlers']['vel_capture'])-1)
                    + sed_input['plate_settlers']['thickness'] * (sed_input['tank']['vel_up']/sed_input['plate_settlers']['vel_capture']))
                   / (np.sin(sed_input['plate_settlers']['angle']) * np.cos(sed_input['plate_settlers']['angle']))
                   ).to(u.m)
      return L_sed_plate
docs: Return the length of a single plate in the plate settler module based on
      achieving the desired capture velocity
      Parameters
      ----------
      sed_inputs : dict
          A dictionary of all of the constant inputs needed for sedimentation tank
          calculations can be found in sed.yaml
      Returns
      -------
      float
          Length of a single plate
      Examples
      --------
      >>> from aide_design.play import*
      >>>