Quiz_ Quiz_ Physics of Matter

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Embry-Riddle Aeronautical University *

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101

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Physics

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Dec 6, 2023

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pdf

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11

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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.
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
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