Question

7) (3 pts) Explain why a boat can float even though it is made of steel with a density higher than that of water. Butyanty the Dogts nass is equal to the wait bayancy that allows the robovanywa V arf the mass were to increase per 18 = mg 8) Water flows from left to right in the pipe system shown below: A-3.0 cm A nr 2 FB <img lank) Our eclined in boat coas quente de 2 Tg = 3.0 cm Po - 1.5 cm Fe = 6.0 cm a) (2pts) At which of the four labeled points is the speed of the water the highest? Why? Pont D is puhne the speed of the water is the nighest DC the dianter of the ppe Smalley which w increase pics 1m forn crease the speed b) (2pts) Is the water pressure higher at point A or point B? Why? Tht Water Pressure Shoru at Point c) (5pts) If the speed of the water at point A is 5.5 m/s, what is the speed of the water at point C? AVA= Acc Ve=AA VA AA=P(0)2 Ае V. -55 Aco/6.0) 28.277 27 1.375 N13.097 21.4mis ~ 1.4 m/s a) (5 pts) If the pressure of the water at point A is 5.5x10 Pa, what is the pressure of the water at point c? PA + PVAZ + Pg h a = Pc + ₂ Pv² + pg hc Pc = Pa = £ P (VA2-Vc 2) + pg (hehe) - sisxlor + 2 1 1000) [5.521 1.3752] - 1000/9.873 = 5.5x10st 184.6875 Po = 55 5.7 xlospa & P1,600 Pc = 5a7 x 10Spa / 4

correct answer for number 8 amd the ones that didnt get full points please

as well as number 7 where did i go wrong

Answer 1

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