1. [-/2 Points] DETAILS A 67975 lb force is applied to a surface that measures 6 in long and 81 in wide. Determine the pressure exerted on the surface by the force in both psi and Pa. 1 Pa = 1.45x10 4 psi. psi pa 2. [-/4 Points] DETAILS Calculate how much pressure (due to the liquid) would be on a 91 kg person if they were 95 m deep in... a.)...freshwater. The density of freshwater is 1000 kg/ms. Express your answer in both pascals and atmospheres. 1 atm = 1.013x103 Pa. Pa atm b.)...saltwater. The density of saltwater is 1030 kg/ms. Express your answer in both pascals and atmospheres. 1 atm = 1.013x103 Pa. Pa atm Submit Answer3. [-/8 Points] DETAILS MY NOTES Determine the density of each object. a.) Object 1: mass = 11.54 kg, volume = 0.9 L. Density of Object 1 = kg/L b.) Object 2: mass = 12.24 kg, volume = 0.9 L Density of Object 2 = kg/L c.) Object 3: mass = 17.14 kg, volume = 0.7 L Density of Object 3 = kg/L d.) Object 4: mass = 99552 kg, volume = 15738 L. Density of Object 4 = kg/L e.) Object 5: mass = 267.512 kg, volume = 19.67 L. Density of Object 5 = kg/L Each of the five objects is to be completely submerged in mercury. The density of mercury is 13.6 kg/L. f.) Which ones will rise? Choose all that apply. Object 1 object 2 O object 3 O Object 4 O Object 5 g.) Which ones will sink? Choose all that apply. O Object 1 O object 2 O object 3 O object 4 O object 5 h.) Which ones will have neutral buoyancy? Choose all that apply. O Object 1 O object 2 Object 3 O Object 4 O object 5 4. [-/3 Points] DETAILS MY NOTES A 71 kg rock with a volume of 23 L is completely submerged in water. The density of water is 1 kg/L. a.) What volume of water is displaced by the rock? b.) What mass of water is displaced by the rock? kg C.) What is the buoyant force on the rock?5. [-/6 Points] DETAILS Perform the following temperature conversions. a. ) 44 .C = K b. ) 764 K = OC c. ) 39 OC = OF d.) 143 OF = OC e. ) 474 OF = K f. ) 447 K = OF 6. [-/3 Points] DETAILS Calculate how much a 2.4 m slab of concrete will expand if heated from 52 .C to 106 .C. The coefficient of thermal expansion for concrete is 12x10-6 .C. Express your answer in m, cm, & in. 1 in = 2.54 cm. m in 7. [-/1 Points] DETAILS Calculate how much heat is required to bring 217 g of water from a temperature of 15.5.C to a temperature of 100C. The specific heat of water is 4186 J/kg.C