A 18.4 kg iron mass rests on the bottom of a pool. (The density of iron is 7.86 x 103 kg/m3 and the density of water is 1.00 x 1.03 kg/m3.) (a) What is the volume of the iron (in m3)? E m3 (b) What buoyant force acts on the iron (in N)? (Enter the magnitude.) E N (c) Find the iron's weight (in N). (Enter the magnitude.) E N (d) What is the normal force acting on the iron (in N)? (Enter the magnitude.) :N Need Help? . [-11.25 Points] SERCP11 9.5.P.019. A small ferryboat is 3.70 m wide and 5.90 m long. When a loaded truck pulls onto it, the boat sinks an additional 3.90 cm into the river. What is the weight of the truck? :kw Need Help? . [11.25 Points] SERCP11 9.7.P.034. Water flowing through a garden hose of diameter 2.80 cm fills a 22.0-L bucket in 1.40 min. (a) What is the speed of the water leaving the end of the hose? :m (b) A nozzle is now attached to the end of the hose. If the nozzle diameter is one-third the diameter of the hose, what is the speed of the water leaving the nozzle? :m/s