Quiz_ Quiz_ Physics of Matter

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11/2/23, 2:42 PM Quiz: Quiz: Physics of Matter https://libertyuniversity.instructure.com/courses/621295/quizzes/2650827/take 1/11 Skip to Main Content Quiz: Physics of Matter Started: Nov 2 at 2:37pm Quiz Instructions The quiz: Covers the Learn material from Module 4: Week 4 . Contains 26 multiple-choice, true/false and matching questions. Is limited to 1 hour and 30 minutes. Allows 1 attempt. Is worth 75 points . Some quizzes will also have a single multi-part problem . This multi-part problem will be given at the time of the quiz. It must be written on paper and solved, and then an image of your solution must be uploaded during the quiz. You must include your name on your paper. Submit this assignment by 11:59 p.m. (ET) on Monday of Module 4: Week 4. 2 pts Question 1 Two pistons push down on the ±uid ²lling two cylinders connected by a narrow hose, as shown in the ²gure. The area A 1 is 1 square inch, and the area A 2 is 10 square inches. A force of 4 pounds is exerted downward on piston 1, as shown. Online Residential Athletics Sign In Request Info Apply Now Visit Us Create Guest Account
11/2/23, 2:42 PM Quiz: Quiz: Physics of Matter https://libertyuniversity.instructure.com/courses/621295/quizzes/2650827/take 2/11 The pressure on A 1 in psi is 0.25. 0.4. 4. 10. 40. 2 pts Question 2 The ratio of the density of a material to the density of water is the mass density. the weight density. the speci²c gravity. the buoyant force. none of the above. 2 pts Question 3 How many elements have been identi²ed? 92 104 114 over 200 none of the above
11/2/23, 2:42 PM Quiz: Quiz: Physics of Matter https://libertyuniversity.instructure.com/courses/621295/quizzes/2650827/take 3/11 2 pts Question 4 The positively charged particle inside an atom is the electron. the proton. the neutron. the nucleus. none of the above. 2 pts Question 5 Two in±ated balloons are of identical size and shape, but one is ²lled with hydrogen, the other helium. Which has the larger buoyant force on it? neither—the buoyant forces must be equal the helium balloon the hydrogen balloon It can’t be determined. 2 pts Question 6 The upward force exerted by a ±uid on an object immersed in it is called gravitational force. atmospheric force.
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11/2/23, 2:42 PM Quiz: Quiz: Physics of Matter https://libertyuniversity.instructure.com/courses/621295/quizzes/2650827/take 4/11 buoyant force. weight. none of the above. 2 pts Question 7 You press a stick that has a varying cross-sectional area horizontally between the palms of your hands. The area of the stick pushing against your left palm is twice the area of the stick pushing against your right palm. The force on your left palm is __________ the force on your right palm. 1/4 1/2 equal to 2 times 4 times 2 pts Question 8 A device that measures absolute air pressure is called a manometer. barometer. thermometer. tire gauge. none of the above
11/2/23, 2:42 PM Quiz: Quiz: Physics of Matter https://libertyuniversity.instructure.com/courses/621295/quizzes/2650827/take 5/11 2 pts Question 9 The pressure at the bottom of aquarium A is greater than that at the bottom of aquarium B. Why might this be? A is ²lled with fresh water, B has the same amount of salt water. A is ²lled to a greater depth than B. A has greater volume than B. The bottom of aquarium A has smaller area than that of B. none of the above 2 pts Question 10 A person weighing 200 pounds stands on snowshoes. If the area of each snowshoe is 400 square inches, the pressure on the snow is 0.25 psi. 0.5 psi. 2 psi. 4 psi. none of the above. 2 pts Question 11 A plasma state of matter is
11/2/23, 2:42 PM Quiz: Quiz: Physics of Matter https://libertyuniversity.instructure.com/courses/621295/quizzes/2650827/take 6/11 a conducting solid. a part of the blood. an ionized gas. a conducting liquid. none of the above. 2 pts Question 12 Two pistons push down on the ±uid ²lling two cylinders connected by a narrow hose, as shown in the ²gure. The area A 1 is 1 square inch, and the area A 2 is 10 square inches. A force of 4 pounds is exerted downward on piston 1, as shown. The force F 2 in pounds needed to keep piston 2 in place is 0.25. 0.4. 4. 10. 40.
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11/2/23, 2:42 PM Quiz: Quiz: Physics of Matter https://libertyuniversity.instructure.com/courses/621295/quizzes/2650827/take 7/11 2 pts Question 13 If the outside air pressure decreases, the reading on a tire gauge connected to a tire stays the same. increases. decreases. can not be determined. 2 pts Question 14 Water is ±owing through a pipe whose cross-sectional area at point A is larger than the cross-sectional area at point B . The reading on a pressure gauge connected to the pipe at point A will be _____________ the reading on a pressure gauge connected to the pipe at point B . the same as higher than lower than unrelated to 2 pts Question 15 The cabin pressure of a passenger jet cruising at high altitude (30,000 ft) is about 1 atm. and the pressure outside is about 0.3 atm. What is the outward force on a window measuring 1 foot by 1 foot.
11/2/23, 2:42 PM Quiz: Quiz: Physics of Matter https://libertyuniversity.instructure.com/courses/621295/quizzes/2650827/take 8/11 10.3 lb 100.3 lb 1,000.3 lb 1,481.8 lb 2,116.8 lb 3 pts Question 16 Atmospheric pressure at an altitude of 10,000 m is exactly half of what it is at 5,000 m. True False 3 pts Question 17 The gauge pressure of the water in a swimming pool at 10 ft is twice the gauge pressure of the water at 5 ft. True False 3 pts Question 18 If the volume of a container is decreased while the mass and temperature of the gas inside it stay constant, the pressure will increase. True
11/2/23, 2:42 PM Quiz: Quiz: Physics of Matter https://libertyuniversity.instructure.com/courses/621295/quizzes/2650827/take 9/11 False 3 pts Question 19 You press a stick that has a varying cross-sectional area horizontally between the palms of your hands. The area of the stick pushing against your left palm is twice the area of the stick pushing against your right palm. The pressure on your left palm is one half the pressure on your right palm. True False 3 pts Question 20 The positively charged particle inside an atom is the nucleus. True False 3 pts Question 21 psi is a unit of force. True False
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11/2/23, 2:42 PM Quiz: Quiz: Physics of Matter https://libertyuniversity.instructure.com/courses/621295/quizzes/2650827/take 10/11 3 pts Question 22 The air we breathe is mostly oxygen. True False 3 pts Question 23 When a 4-cubic-ft block of wood ±oats in a ±uid whose weight density is 60 pounds per cubic foot, 3/4 of the block’s volume is submerged. The buoyant force on the block is 60 pounds. True False 3 pts Question 24 The altimeter in an aircraft is an aneroid barometer. True False 3 pts Question 25 In a ±owing ±uid, the pressure where the ±uid is moving slower is higher than the pressure where the ±uid is moving faster.
11/2/23, 2:42 PM Quiz: Quiz: Physics of Matter https://libertyuniversity.instructure.com/courses/621295/quizzes/2650827/take 11/11 Quiz saved at 2:42pm True False 15 pts Mass Density [ Choose ] Archimedes Principle [ Choose ] Bernoullis Principle [ Choose ] Pressure [ Choose ] Buoyant Force [ Choose ] Question 26 Select the closest matching pairs possible. 3 pts for each response. SUBMIT QUIZ

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