For routing of flood in a given channel using the Muskingum method, two of the routing coefficients are estimated as $C_{0}=-0.25$ and $C_{1}=0.55 .$ The value of the third coefficient $C_{2}$ would be
For routing of flood in a given channel using the Muskingum method, two of the routing coefficients are estimated as $C_{0}=-0.25$ and $C_{1}=0.55 .$ The value of the third coefficient $C_{2}$ would be