(9%) Problem 5: A barge floating in fresh water (0 = 1000 kg/m') is shaped like a hollow rectangular prism with base area A = 550 m and height H = 2.0 m. When empty the bottom of the barge is located Ho = 0.55 m below the surface of the water. When fully loaded with coal the bottom of the barge is located H1 = 1.8 m below the surface. A Ho- Otheexpertta.com A.50% Part (a) Find the mass of the coal in kilograms. select part Grade Summary my = 1 Deductions 0% Potential 100% sin() cosO) tan() JI 7 8 9 HOME Submissions Attempts remaining: 20 cotan() asin() acos() E A 5 6 (0% per attempt atan() acotan() sinh() 2 3 detailed view cosh tanh() cotanh() + END O Degrees O Radians VO BACKSPACE DEL CLEAR Submit Hint Feedback I give up! Hints: 2% deduction per hint. Hints remaining: 3 Feedback: 2% deduction per feedback. 4 50% Part (b) How far would the barge be submerged (in meters) if my = 450000 kg of coal had been placed on the empty barge?(9%) Problem 6: Archimedes' principle can be used to calculate the density of a uid as well as that of a solid. Suppose a chunk of iron with a mass of 3775 g in air is found to have an apparent mass of 365 g when completely submerged in an unknown liquid. l> A 33% Part (a) What mass of uid, in grams, does the iron displace? _ Grade Summary mf _ I Deductions 0% Potential 100% Submissions Attempts remaining: E (% per attempt) detailed view Hints: 2% deduction per hint. Hints remaining: i Feedback: 2% deduction per feedback. E A 33% Part (b) What is the volume, in cubic centimeters, of the iron, given its density is 7.80 g/cm3? E A 33% Part (c) Calculate the uid's density, in grams per cubic centimeter. (9%) Problem 7: The fraction of ice which is submerged in water only depends on the density of the ice and the water. For this problem, assume the density of ice is 925 kg/m3. What fraction of ice is submerged when it floats in freshwater? Grade Summary fraction submerged = 1 Deductions 0% Potential 100% sin() cos() tan() JT 7 8 9 HOME Submissions Attempts remaining: 20 cotan() asin() acos() E 5 6 (0% per attempt) atan() acotan() sinh( 2 3 detailed view cosh() tanh() cotanh() END O Degrees O Radians VO BACKSPACE DEL CLEAR Submit Hint Feedback I give up! Hints: 2% deduction per hint. Hints remaining: 2 Feedback: 2% deduction per feedback