Determine H$,$ if the difference in pressure between the centerline points A and B in the two pipelines in Figure below is $($PA$-$P$)--1,400$ Pa$.$ The density of theliquid in AC and DB is p $=800$ kg$/$m$\text{'},$ and in CD$,$ PCD $-1100$ kg$/$m$\text{'}.$ Please put H value in mm without any unit in the box below.