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+// A Textbook of Fluid Mecahnics and Hydraulic Machines - By R K Bansal
+// Chapter 4-Buoyancy and Floatation
+// Problem 4.5
+
+//Given Data Set in the Problem
+dens=1000
+g=9.81
+SG=13.6
+v_m=0.4
+v_w=0.6
+V=poly(0,"V")
+
+//calculations
+//For equilibrium of the body ,toatl buoyancy=weight of the body
+//buoyancy due to water
+F_w=dens*g*0.6*V
+//buoyancy due to mercury
+F_m=SG*dens*g*0.4*V
+
+//Total force
+F_tot=F_m+F_w
+dens_body=(F_tot/(V*g))
+mprintf("The density of the body is %f kg/m^3\n",horner(dens_body,1))