Question 'I of 22 0.5 Points 1. Earth and Venus are known to have a mean relative density (specific gravity) of ~5. What material(s) are they most likely composed of: ices, rock, or metal? 0 A. mostly ices O B, ice & rock combination 0 C. mostly rock 0 D. rock & metal combination 0 E. mostly metal Reset Selection C] Mark for Review What's This? Question 2 of 22 05 Points 2. Many moons of outer planets have a mean relative density of ~1.6. What material(s) are they most likely composed of: ices, rock, or metal? 0 A. mostly ices Q B. ice 8c rock combination 0 C. mostly rock O D. rock & metal combination 0 E. mostly metal Reset Selection C] Mark for Review What's This? Question 3 of 22 0.5 Points 3. A game show gives you the choice of receiving one of the following amounts of gold (density 193 g/cm3). In order to maximize the value of your prize, which one should you choose? Assume that any weights are measured on the surface of the Earth. Hint: First, identiij/ if each quantity is a volume, mass, or weight. Then convert each amount into the same type of physical quantity & unit, then compare. 0 A. 100 mL of gold 0 31.00 kg of gold 0 C. 10.0 cm3 of gold 0 D. 10.0 N ofgold Reset Selection C] Mark for Review What's This? Question 4 of 22 0.5 Points Questions #45: Suppose that several boulders of varying size, all made of the same uniform-density volcanic basalt (2.9 g/cm3), are part of a large landslide that is blocking a road. Assume that all of the boulders are perfect spheres. Recall: Volume of a sphere = (4/3)]1R3. 4. lfyou double the diameterof a boulder, by what factor does its mass increase? 0 A. 2 times 0 B. 23'2 times 0 C. 4times O D. 8 times 0 E. 16 times 0 F. 64 times Reset Selection C] Mark for Review What's This? Question 5 of 22 1.5 Points Questions #4-5: Suppose that several boulders of varying size, all made of the same uniform-density volcanic basalt (2.9 g/cm3), are part of a large landslide that is blocking a road. Assume that all of the boulders are perfect spheres. Recall: Volume of a sphere = (4/3) TIR3. 5. If the road crew has a bulldozer that can lift a limit of 5.9 metric tons (1 metric ton = 1000 kg), what is the diameter, in meters, of the largest spherical boulder that the bulldozer can lift? (Your Laulima form contains a randomized value for the mass.) meters . Calculate and enter your final answer to at least 2 significant figures. There is no penalty for including too many significant figures, but rounding to too few sig figs may cause Laulima to judge your answer to be wrong. . Do NOT enter units with your answer; enter only a numerical response. Laulima will count non-numerical answers as incorrect. . Partial credit is NOT possible.Question 6 of 22 2 Points 6. In a particular action movie, some bank thieves fill a duffel bag with gold bricks, then quickly lift the bag and run out ofthe bank. While watching the movie, you suspect that Hollywood has taken too many liberties with this fictional scene! Ifthe duffel bag is shaped like a cylinder with diameter 35 cm and length 93 cm, and it is completely filled with gold (density 19.3 g/cm3), how much will it weigh? (Your Laulima form contains a randomized value for the length of the bag.) Convert your final answer to pounds: |:| lbs Recall: 7 lb = 4.448 N. - Calculate and enter your nal answer to at least 2 signicant gures. There is no penalty for including too many signicant gures, but rounding to too few 51g gs may cause Laulima to judge your answer to be wrong. ' Do NOT enter units with your answer; enter only a numerical response. Laulima will count nonnumerical answers as incorrect. - Partial credit is NOT possible. [:] Mark for Review What's This? Question 7 of 22 0.5 Points Questions #7-10: While located at sea level, suppose that you inflate a car's spare tire until its pressure gauge reads 37 psi, which is equivalent to 2.5 atm. 7. What is the absolute pressure of the air inside the tire? A. 1.0 atm O B. 1.5 atm O C. 2.5 atm O D. 3.5 atm O E. 4.0 atm Reset Selection Mark for Review What's This?Question 8 of 22 0.5 Points Questions #710: While located at sea level, suppose that you inflate a car's spare tire until its pressure gauge reads 37 psi, which is equivalent to 2.5 atm. Now, suppose you let most of the air out of the tire, until the value completely stops hissing. At this point, the tire is completely \"flat." 8. What is the gauge pressure reading of the remaining air inside the flat tire? O A. 0 atm Q B. 0.5 atm O C. 1.0 atm O D. 1.5 atm Q E. 2.0 atm Reset Selection C] Mark for Review What's This? Question 9 of 22 0.5 Points Questions #7-10: While located at sea level, suppose that you inflate a car's spare tire until its pressure gauge reads 37 psi, which is equivalent to 25 atm, Now, suppose you let most of the air out of the tire, until the value completely stops hissing. At this point, the tire is completely \"flat." 9. What is the absolute pressure of the remaining air inside the flat tire? O A. Oatm Q B. 0.5 atm O C. 1.0 atm O D, 1.5 atm Q E. 2.0 atm Reset Selection [:] Mark for Review What's This? Question 10 of 22 0.5 Points Questions #710: While located at sea level, suppose that you inflate a car's spare tire until its pressure gauge reads 37 psi, which is equivalent to 25 atm, Then you transport the tire to the top of a high mountain where the ambient atmospheric pressure is 0.7 atm. {Assume that the tire remains sealed, with no leaks, Assume that the tire undergoes NO change in volume or temperature.) 10. At the mountain top, what will be the gauge pressure reading of the air inside the tire? /, t) A. 1.8 atm Q B. 2.2 atm O c. 2.5 atm O D, 2.8 atm Q E. 3.2 atm Question 11 of 22 0.5 Points Click to see additional instructions Questions #11-14: A particular can of soda has an internal absolute pressure of 3.0 atm. 11. If the can were located at sea level, what is the gauge pressure, in atm, that someone would measure for the can? atm . Calculate and enter your final answer to at least 2 significant figures. There is no penalty for including too many significant figures, but rounding to too few sig figs may cause Laulima to judge your answer to be wrong. . Do NOT enter units with your answer; enter only a numerical response. Laulima will count non-numerical answers as incorrect. . Partial credit is NOT possible. Mark for Review What's This? Question 12 of 22 0.5 Points Click to see additional instructions Questions #11-14: A particular can of soda has an internal absolute pressure of 3.0 atm. 12. If the can were moved to the top of an extremely high mountain where the surrounding atmospheric pressure is 0.50 atm, what would become the gauge pressure measurement for the can, in atm? atm . Calculate and enter your final answer to at least 2 significant figures. There is no penalty for including too many significant figures, but rounding to too few sig figs may cause Laulima to judge your answer to be wrong. . Do NOT enter units with your answer; enter only a numerical response. Laulima will count non-numerical answers as incorrect. . Partial credit is NOT possible.Question 13 of 22 1 Points Click to see additional instructions Questions #11-14: A particular can of soda has an internal absolute pressure of 3.0 atm. 13. The can has an equal interior and exterior surface area of 550 cm (assuming that the wall of the can is negligibly thin). What is the outward force acting on the inside of the can? Convert your final answer to kilonewtons: KN . Calculate and enter your final answer to at least 2 significant figures. There is no penalty for including too many significant figures, but rounding to too few sig figs may cause Laulima to judge your answer to be wrong. Do NOT enter units with your answer; enter only a numerical response. Laulima will count non-numerical answers as incorrect. . Partial credit is NOT possible. Mark for Review What's This? Question 14 of 22 0.5 Points Click to see additional instructions Questions #11-14: A particular can of soda has an internal absolute pressure of 3.0 atm. 14. The can has an equal interior and exterior surface area of 550 cm2 (assuming that the wall of the can is negligibly thin). Suppose the can is located in air at sea level. What is the net force acting on the walls of the can (i.e., difference in force between the interior and exterior surfaces of the can)? Convert your final answer to kilonewtons: KN . Calculate and enter your final answer to at least 2 significant figures. There is no penalty for including too many significant figures, but rounding to too few sig figs may cause Laulima to judge your answer to be wrong. . Do NOT enter units with your answer; enter only a numerical response. Laulima will count non-numerical answers as incorrect. . Partial credit is NOT possible.Question 15 of 22 1 Points Click to see additional instructions 15. By what increase in depth, in meters, must an ocean diver descend so that she will experience an increase in water pressure of 1.0 atm? Assume that ocean water is ideally incompressible, so it has the same density of 1025 kg/m at all depths and pressures. meters Frequent ocean divers know this depth by memory (for U.S. divers, usually in feet). . Calculate and enter your final answer to at least 2 significant figures. There is no penalty for including too many significant figures, but rounding to too few sig figs may cause Laulima to judge your answer to be wrong. . Do NOT enter units with your answer; enter only a numerical response. Laulima will count non-numerical answers as incorrect. . Partial credit is NOT possible. Mark for Review What's This? Question 16 of 22 2 Points 16. We can crudely model the planet Venus's atmosphere as an "ocean" with a depth of 14.5 km, a uniform density of 65 kg/ms, and a surface pressure of 0 atm at its "top" (where it meets empty space). (Your Laulima form contains a randomized value for the depth of the atmosphere.) (Note: In actuality, the atmosphere's density is definitely not uniform!) Using this model and a Venusian gravitational acceleration of 8.87 m/s', what is the atmospheric pressure at the ground? Convert your final answer to atmospheres: atm Note: Because of numerical randomization, your final answer will probably NOT match the actual atmospheric pressure at the surface of Venus (92 atm), but it will be within a factor of two. This is part of the reason why spacecraft missions to Venus only survive a brief period of time on the surface of the planet - they must endure a crushing atmospheric pressure! . Calculate and enter your final answer to at least 2 significant figures. There is no penalty for including too many significant figures, but rounding to too few sig figs may cause Laulima to judge your answer to be wrong. . Do NOT enter units with your answer; enter only a numerical response. Laulima will count non-numerical answers as incorrect. . Partial credit is NOT possible.Question 17 of 22 0.5 Points 17. Would a solid brick (density = 2.2 g/cm3) float in a pool of mercury (14 g/cm3)? A. yes B. no Reset Selection Mark for Review What's This? Question 18 of 22 0.5 Points 18. Would a solid piece of H20 ice (0.92 g/cm3) float in pure benzene (0.876 g/cm3)? A. yes B. no Reset Selection Mark for Review What's This? Question 19 of 22 1 Points Click to see additional instructions Questions #19-20: A particular ocean buoy has a mass of 370. kg and a volume of 2.50 ms. Assume that ocean water has a density of 1030 kg/m3. 19. While the buoy is floating in equilibrium on the surface of the ocean, what percentage of its volume is located below the water surface? Please enter a value between 0 and 100: percent . Calculate and enter your final answer to at least 3 significant figures. There is no penalty for including too many significant figures, but rounding to too few sig figs may cause Laulima to judge your answer to be wrong. Do NOT enter units with your answer; enter only a numerical response. Laulima will count non-numerical answers as incorrect. . Partial credit is NOT possible.Question 20 of 22 1 Points Click to see additional instructions Questions #19-20: A particular ocean buoy has a mass of 370. kg and a volume of 2.50 ms. Assume that ocean water has a density of 1030 kg/m3. 20. Suppose that oceanographers want to install some additional equipment inside the buoy. Assuming that the buoy's overall volume remains unchanged, what is the maximum additional mass that they can add to the buoy before it will sink? kg Hint: Your answer will be considerably larger than the buoy's starting mass! . Calculate and enter your final answer to at least 3 significant figures. There is no penalty for including too many significant figures, but rounding to too few sig figs may cause Laulima to judge your answer to be wrong. . Do NOT enter units with your answer; enter only a numerical response. Laulima will count non-numerical answers as incorrect. . Partial credit is NOT possible. Mark for Review What's This? Question 21 of 22 2 Points Questions #21-22: Assume that a basketball is a perfect sphere with a radius of 12.0 cm and negligibly small mass. Recall: Volume of a sphere = (4/3)TR. Surface Area of a sphere = 4TR2. Assume that the ball's skin is thin enough that its inner and outer surfaces have the same area. 21. If the ball is inflated to a gauge pressure of 0.425 atm, what is the net force acting on the walls on the ball (i.e., difference in force between the interior and exterior surfaces of the ball)? (Your Laulima form contains a randomized value for the gauge pressure.) Convert your final answer to kilonewtons: KN . Calculate and enter your final answer to at least 3 significant figures. There is no penalty for including too many significant figures, but rounding to too few sig figs may cause Laulima to judge your answer to be wrong. Do NOT enter units with your answer; enter only a numerical response. Laulima will count non-numerical answers as incorrect. . Partial credit is NOT possible.Question 22 of 22 2 Points Questions #21-22: Assume that a basketball is a perfect sphere with a radius of 120 cm and negligibly small mass. Recall: Volume of a sphere = (4/3)11R3. Surface Area of a sphere = 411R? Assume that the ball's skin is thin enough that its inner and outer surfaces have the same area. 22. Suppose that you want to submerge 65 percent of the basketball's volume beneath the surface ofa freshwater swimming pools (Your Laulima form contains a randomized value for the percentage.) How much downward force. in newtons, must you supply to do this? :} newtons - Calculate and enter your nal answer to at least 3 signicant gures. There is no penalty for including too many significant figures, but rounding to too few sig figs may cause Laulima to judge your answer to be wrong. - Do NOT enter units with your answer; enter only a numerical response. Laulima will count non-numerical answers as incorrect. - Partial credit is NOT possible. 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