FINISH THE QUESTIONS

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The eaxm is out of 100 points and it is cumulative. 50 points will cover chapters 13, 14, and 15. The other 50 points will cover chapters 2 through 12. There will be a total of 9 questions in the final. In all questions you need to show your work (no multiple choice) spring_2020_physics_120_final_v1.pdf Unformatted Attachment Preview LAST NAME:……………………………………………………… First Name:………………………………………………………… DATE: Wednesday May 20, 2020: 3 Hours (Online) Spring 2020 PHYS 120 Final Instructions: • Show all work to receive full credit. Answers with insufficient supporting work will receive little or no credit. • Please enter your answer int the space provided. • Please BOX your FINAL ANSWER. • Keep 4 significant figures EVERYWHERE!!!! “Physics is much too hard for physicists”, David Hilbert (Mathematician). Page # 2 3 4 5 6 7 8 9 10 Question 1 2 3 4 5 6 7 8 9 # Maximum 14 16 10 10 10 10 10 10 10 Points Student Score 1 Total Points Possible 100 1. [14 Points] Keep 4 significant figures everywhere! A block of mass 𝑀 = 1.5 kg is pushed up an incline with a force 𝐹 = 15 N for a distance 𝑑 = 3 m along the incline, as shown. The angle of the incline is 𝜃 = 36.9°. There is friction between the incline and the block and the coefficient of kinetic friction is 𝜇𝑘 = 0.25. As usual, we take the 𝑥−direction to be along the incline and the 𝑦−direction to be perpendicular to the incline, as shown in the picture. a. Draw ALL the forces on the block on the picture shown. (2 pts) b. Calculate the magnitude of the 𝑥−component of the force of gravity. (2 pts) 𝐹𝑔𝑥 = _________________ N c. Calculate the magnitude of the 𝑦−component of the force of gravity. (2 pts) 𝑦 𝐹𝑔 = _________________ N d. Calculate the normal force. (2 pts) 𝐹𝑁 = ______________ N e. Calculate the magnitude of the force of friction as the block is pushed up the incline. (2 pts) 𝑓𝑘 = _______________ N f. Calculate the acceleration of the block along the incline. (2 pts) 𝑚 𝑎 = _______________ 𝑠2 g. If the block is initially at rest, what is the speed of the block after it is pushed for 3 meters along the incline? (2 pts) 𝑣 = ________________ m/s 2 2. [16 Points] This is a continuation of the previous problem… a. When the block is pushed for 3 meters, how much time has passed? (2 pts) 𝑡 = ______________ s b. Calculate the kinetic energy of the block once it has been pushed for 3 meters. (2 pts) 𝐾𝐸 = _____________ J c. Calculate the work done by the force 𝐹 after the block has been pushed for 3 meters. (2 pts) 𝑊𝐹 = _______________ J d. Calculate the work done by friction after the block has been pushed for 3 meters. (2 pts) 𝑊𝑓𝑘 = ________________J e. Calculate the work done by gravity after the block has been pushed for 3 meters. (2 pts) 𝑊𝑔 = __________________J f. Calculate the work done by the normal force after the block has been pushed for 3 meters. (2 pts) 𝑊𝐹𝑁 = __________________J g. Calculate the work done by all the forces combined after the block has been pushed for 3 meters. (2 pts) 𝑊𝑡𝑜𝑡𝑎𝑙 = __________________J h. Use the total work you just calculated along with the work energy principle to find the speed of the block after it has been pushed for 3 meters. (2 pts) 𝑣 = ____________________ m/s 3 3. [10 Points] A block of mass 𝑀1 = 3 kg is initially at rest on a frictionless surface. The block is then pushed horizontally to the right with a force 𝐹 = 12 𝑁 for 5 seconds. After the push, the block is left to slide with no force applied to it. The block then encounters another block of mass 𝑀2 = 2 kg and the collide inelastically and stick together. After the two blocks collide, the encounter a spring of force constant 𝑘 = 1500 N/m. Once the blocks collide with the spring, they stick to the spring and they oscillate back and forth in simple harmonic motion. a. Find the momentum of the block of mass 𝑀1 after it has been pushed for 5 seconds. (2 pts) 𝑝1 = _______________ kgm/s b. After the two blocks collide and stick together, what is their speed after the collision? (2 pts) 𝑣 = ______________ m/s c. What is the maximum compression of the spring after the two blocks collide with it? (2 pts) 𝐴 = ________________ m d. After the masses collide and stick to the spring, calculate the angular frequency of oscillations. (2 pts) 𝜔 = ___________________ rad/s e. What is the speed of the attached mass when the spring is stretched by 0.35 m? (2 pts) 𝑣 = _____________ m/s 4 4. [10 Points] A beam of uniform mass 𝑚 and length 𝐿 = 3 meters is placed on a pivot a distance 𝑑 = 1 meter from its left end. To keep the beam horizontal and balanced, a mass 𝑀 = 50 kg is placed on the beam at its left end, as shown in the figure. The beam is in static equilibrium. a. Calculate the mass of the beam. (5 pts) 𝑚 = ______________ kg b. If the mass on the left is removed, the beam will start to rotate clockwise and fall down. If the 1 moment of intertia of the beam about the pivot point is 𝐼 = 𝑚𝐿2 , calculate the angular 9 acceleration of the beam immediately after the mass 𝑀 on the left is removed and the beam starts to rotate. (5 pts) 𝛼 = _________________ rad/s2 5 1 5. [10 Points] A copper flask (𝛽𝑐𝑜𝑝𝑝𝑒𝑟 = 51 × 10−6 ℃ ) with a volume of 500 cm3 contains 490 cm3 of 1 olive oil (𝛽𝑜𝑖𝑙 = 0.68 × 10−3 ℃) at a temperature 𝑇0 = 20 ℃. a. To what temperature must the flask and the oil be heated so that the flask will be completely filled? (6 pts) 𝑇 = _________________ ℃ b. Calculate the volume of the copper flask when the temperature is equal to that you calculated in part (a). (2 pts) 𝑉𝑐𝑢 = _________________ cm3 c. Calculate the volume of the olive oil when the temperature is equal to that you calculated in part (a). (2 pts) 𝑉𝑜𝑖𝑙 = _________________ cm3 6 6. [10 Points] A piece of ice having a mass of 2 kg and an initial temperature of −272 ℃ (very cold!) is dropped into a container of water at 25 °C. Remember that: 𝐽 The specific heat of water is 𝑐𝑤 = 4186 𝑘𝑔℃, 𝐽 The specific heat of ice is 2100 𝑘𝑔℃ The latent heat of fusion for water is 𝐿𝐹 = 333000 𝐽 . 𝑘𝑔 a. Very soon after the piece of ice was dropped into the water, all the water froze into ice at 0 ℃. What was the mass of the water the container? (5 pts) 𝑚𝑤 = ____________ kg b. Suppose now we drop that same ice cube (same mass same temperature) into a container that has 1 kg of water at 25 °C. All the water will freeze and become ice. What is the final temperature of the ice? (5 pts) 𝑇 = _____________ ℃ 7 7. [10 Points] A 1 mol of ideal gas undergoes the four-part process shown in the sketch, connecting states A and B. The four parts of the process are labeled 1, 2, 3, and 4. a. Calculate the work done during part 1 of the process (𝑊𝐴→𝐵 ). (2 pts) 𝑊1 = ______________ J b. Calculate the work done during part 2 of the process (𝑊𝐵→𝐶 ). (2 pts) 𝑊2 = ______________ J c. Calculate the work done during part 3 of the process (𝑊𝐶→𝐷 ). (2 pts) 𝑊3 = _______________ J d. Calculate the work done during part 4 of the process (𝑊𝐷→𝐸 ). (2 pts) 𝑊4 = ________________ J e. Find the total work done by the gas during this four-step process (i.e. in going from state A to state E). (2 pts) 𝑊𝐴→𝐸 = _____________ J 8 8. [10 Points] This is a continuation of Problem 7…. a. What is the temperature of the gas at state B? (2 pts) 𝑇𝐵 = _____________ K b. What is the temperature of the gas at state D? (2 pts) 𝑇𝐷 = _____________ K c. What is the change in the internal energy of the gas in going from state B to state D? (3 pts) Δ𝑈𝐵→𝐷 =______________ J d. How much heat is absorbed by the gas in going from state B to state D? (3 pts) 𝑄𝐵→𝐷 = ________________J 9 9. [10 Points] An ideal heat pump is used to heat a room that is at 300 K. The 𝑇𝐻 outdoor temperature is 263 K. Recall that for a heat pump, 𝐶𝑂𝑃𝑖𝑑𝑒𝑎𝑙 = 𝑇 −𝑇 . 𝐻 𝐿 a. If the 𝑊 = 300 J, calculate the heat pumped into the room. (2 pts) 𝑄𝐻 =______________ J b. Calculate the heat extracted from the outside air. (1 pts) 𝑄𝐿 = _____________J c. Calculate the entropy change in the outside air. (2 pts) Δ𝑆𝑜𝑢𝑡 = ____________ J/K d. Calculate the entropy change in the inside air. (2 pts) Δ𝑆𝑖𝑛 = ____________ J/K e. How does Δ𝑆𝑖𝑛 compare with Δ𝑆𝑜𝑢𝑡 ? Are you surprised? Is this consistent with the Second Law of Thermodynamics? An answer consisting of 5 to 10 sentences is enough. (2 pts) ……………………………………………………………………………………………………… ……………………………………………………………………………………………………… ……………………………………………………………………………………………………… ……………………………………………………………………………………………………… ……………………………………………………………………………………………………… ……………………………………………………………………………………………………… ……………………………………………………………………………………………………… f. If the heat pump reversed, it will act as an air conditioner. Calculate the coefficient of this air conditioner. (1 pts) 𝐶𝑂𝑃 = _____________ 10 ... Purchase answer to see full attachment
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Your assignment may be more than 5 paragraphs but not less. INSTRUCTIONS:  To access the FNU Online Library for journals and articles you can go the FNU library link here:  https://www.fnu.edu/library/ In order to n that draws upon the theoretical reading to explain and contextualize the design choices. Be sure to directly quote or paraphrase the reading ce to the vaccine. Your campaign must educate and inform the audience on the benefits but also create for safe and open dialogue. A key metric of your campaign will be the direct increase in numbers.  Key outcomes: The approach that you take must be clear Mechanical Engineering Organic chemistry Geometry nment Topic You will need to pick one topic for your project (5 pts) Literature search You will need to perform a literature search for your topic Geophysics you been involved with a company doing a redesign of business processes Communication on Customer Relations. Discuss how two-way communication on social media channels impacts businesses both positively and negatively. Provide any personal examples from your experience od pressure and hypertension via a community-wide intervention that targets the problem across the lifespan (i.e. includes all ages). Develop a community-wide intervention to reduce elevated blood pressure and hypertension in the State of Alabama that in in body of the report Conclusions References (8 References Minimum) *** Words count = 2000 words. *** In-Text Citations and References using Harvard style. *** In Task section I’ve chose (Economic issues in overseas contracting)" Electromagnetism w or quality improvement; it was just all part of good nursing care.  The goal for quality improvement is to monitor patient outcomes using statistics for comparison to standards of care for different diseases e a 1 to 2 slide Microsoft PowerPoint presentation on the different models of case management.  Include speaker notes... .....Describe three different models of case management. visual representations of information. They can include numbers SSAY ame workbook for all 3 milestones. You do not need to download a new copy for Milestones 2 or 3. When you submit Milestone 3 pages): Provide a description of an existing intervention in Canada making the appropriate buying decisions in an ethical and professional manner. Topic: Purchasing and Technology You read about blockchain ledger technology. Now do some additional research out on the Internet and share your URL with the rest of the class be aware of which features their competitors are opting to include so the product development teams can design similar or enhanced features to attract more of the market. The more unique low (The Top Health Industry Trends to Watch in 2015) to assist you with this discussion.         https://youtu.be/fRym_jyuBc0 Next year the $2.8 trillion U.S. healthcare industry will   finally begin to look and feel more like the rest of the business wo evidence-based primary care curriculum. Throughout your nurse practitioner program Vignette Understanding Gender Fluidity Providing Inclusive Quality Care Affirming Clinical Encounters Conclusion References Nurse Practitioner Knowledge Mechanics and word limit is unit as a guide only. The assessment may be re-attempted on two further occasions (maximum three attempts in total). All assessments must be resubmitted 3 days within receiving your unsatisfactory grade. You must clearly indicate “Re-su Trigonometry Article writing Other 5. June 29 After the components sending to the manufacturing house 1. In 1972 the Furman v. Georgia case resulted in a decision that would put action into motion. Furman was originally sentenced to death because of a murder he committed in Georgia but the court debated whether or not this was a violation of his 8th amend One of the first conflicts that would need to be investigated would be whether the human service professional followed the responsibility to client ethical standard.  While developing a relationship with client it is important to clarify that if danger or Ethical behavior is a critical topic in the workplace because the impact of it can make or break a business No matter which type of health care organization With a direct sale During the pandemic Computers are being used to monitor the spread of outbreaks in different areas of the world and with this record 3. Furman v. Georgia is a U.S Supreme Court case that resolves around the Eighth Amendments ban on cruel and unsual punishment in death penalty cases. The Furman v. Georgia case was based on Furman being convicted of murder in Georgia. Furman was caught i One major ethical conflict that may arise in my investigation is the Responsibility to Client in both Standard 3 and Standard 4 of the Ethical Standards for Human Service Professionals (2015).  Making sure we do not disclose information without consent ev 4. Identify two examples of real world problems that you have observed in your personal Summary & Evaluation: Reference & 188. Academic Search Ultimate Ethics We can mention at least one example of how the violation of ethical standards can be prevented. Many organizations promote ethical self-regulation by creating moral codes to help direct their business activities *DDB is used for the first three years For example The inbound logistics for William Instrument refer to purchase components from various electronic firms. During the purchase process William need to consider the quality and price of the components. In this case 4. A U.S. Supreme Court case known as Furman v. Georgia (1972) is a landmark case that involved Eighth Amendment’s ban of unusual and cruel punishment in death penalty cases (Furman v. Georgia (1972) With covid coming into place In my opinion with Not necessarily all home buyers are the same! When you choose to work with we buy ugly houses Baltimore & nationwide USA The ability to view ourselves from an unbiased perspective allows us to critically assess our personal strengths and weaknesses. This is an important step in the process of finding the right resources for our personal learning style. Ego and pride can be · By Day 1 of this week While you must form your answers to the questions below from our assigned reading material CliftonLarsonAllen LLP (2013) 5 The family dynamic is awkward at first since the most outgoing and straight forward person in the family in Linda Urien The most important benefit of my statistical analysis would be the accuracy with which I interpret the data. The greatest obstacle From a similar but larger point of view 4 In order to get the entire family to come back for another session I would suggest coming in on a day the restaurant is not open When seeking to identify a patient’s health condition After viewing the you tube videos on prayer Your paper must be at least two pages in length (not counting the title and reference pages) The word assimilate is negative to me. I believe everyone should learn about a country that they are going to live in. It doesnt mean that they have to believe that everything in America is better than where they came from. It means that they care enough Data collection Single Subject Chris is a social worker in a geriatric case management program located in a midsize Northeastern town. She has an MSW and is part of a team of case managers that likes to continuously improve on its practice. The team is currently using an I would start off with Linda on repeating her options for the child and going over what she is feeling with each option.  I would want to find out what she is afraid of.  I would avoid asking her any “why” questions because I want her to be in the here an Summarize the advantages and disadvantages of using an Internet site as means of collecting data for psychological research (Comp 2.1) 25.0\% Summarization of the advantages and disadvantages of using an Internet site as means of collecting data for psych Identify the type of research used in a chosen study Compose a 1 Optics effect relationship becomes more difficult—as the researcher cannot enact total control of another person even in an experimental environment. Social workers serve clients in highly complex real-world environments. Clients often implement recommended inte I think knowing more about you will allow you to be able to choose the right resources Be 4 pages in length soft MB-920 dumps review and documentation and high-quality listing pdf MB-920 braindumps also recommended and approved by Microsoft experts. The practical test g One thing you will need to do in college is learn how to find and use references. References support your ideas. College-level work must be supported by research. You are expected to do that for this paper. You will research Elaborate on any potential confounds or ethical concerns while participating in the psychological study 20.0\% Elaboration on any potential confounds or ethical concerns while participating in the psychological study is missing. Elaboration on any potenti 3 The first thing I would do in the family’s first session is develop a genogram of the family to get an idea of all the individuals who play a major role in Linda’s life. After establishing where each member is in relation to the family A Health in All Policies approach Note: The requirements outlined below correspond to the grading criteria in the scoring guide. At a minimum Chen Read Connecting Communities and Complexity: A Case Study in Creating the Conditions for Transformational Change Read Reflections on Cultural Humility Read A Basic Guide to ABCD Community Organizing Use the bolded black section and sub-section titles below to organize your paper. For each section Losinski forwarded the article on a priority basis to Mary Scott Losinksi wanted details on use of the ED at CGH. He asked the administrative resident