A quantity of 19.1 cm^3 of water at 12.4 degree C is placed in a Free.pdf

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A quantity of 19.1 cm^3 of water at 12.4 degree C is placed in a Freezer compartment & allowed to freeze to solid ice @ -7.2 degree C. How money Joules of energy must be withdrawn by me Fridge? V = 19.1 cm^3 T_1 = 12.4 degree C T_2 = -7.2 degree C Solution mass of the water: m = density*volume = 1000* 19.1*10^-6 = 0.0191 kg work done is, W = mcdT + mLf + mcicedT = 0.0191*4186*[0-12.4] + 0.0191*333.55x103 + 0.0191*2108*[-7.2-0] = 5089.5 J.

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A linked stack is implemented using a standard Node class as follows: import java.util.*; class stack implements Iterable {private Node top; private int size; public stack () {top = null; size = 0;} public Object pop() {if (size == 0) throw new RuntimeException (\"\"); Object answer = top.getData (); top = top.getNext (); Size --; return answer;} public void push (Object x) {Node newNode = new Node (x top); top = newNode; size++;}//the iterator method is missing} Write a class StackIterator to implement objects that can be returned by the stack iterator. Also write the missing stack method called iterator. You can decide whether the iterator will run through the data in the stack in LIFO or FIFO order (one choice is much easier). Solution Hi, Pease find the program below: import java.util.*; import java.lang.Iterable; @SuppressWarnings(\"rawtypes\") public class LinkedStack implements Iterable{ private int n; // size of the stack private Node first; // top of stack // Helper linked list class private class Node { private Object item; private Node next; } /** * Initializes an empty stack. */ public LinkedStack() { first = null; n = 0; } /** * Is this stack empty? * @return true if this stack is empty; false otherwise */ public boolean isEmpty() { return first == null; } /** * Returns the number of items in the stack. */ public int size() { return n; } /** * Adds the item to this stack. */ public void push(Object item) { Node oldfirst = first; first = new Node(); first.item = item; first.next = oldfirst; n++; } /** * Removes and returns the item most recently added to this stack. * @return the item most recently added */ public Object pop() { if (isEmpty()) throw new NoSuchElementException(\"Stack underflow\"); Object item = first.item; // save item to return first = first.next; // delete first node n--; //decreases the size by 1 return item; // return the saved item } /** * Returns (but does not remove) the item most recently added to this stack. * @return the item most recently added to this stack */ public Object peek() { if (isEmpty()) throw new NoSuchElementException(\"Stack underflow\"); return first.item; } /** * Returns an iterator to this stack that iterates through the items in LIFO order. */ public Iterator iterator() { return new ListIterator(); } // an iterator, doesn\'t implement remove() since it\'s optional private class ListIterator implements Iterator { private int i = n; private Node first1 = first; //the first node public boolean hasNext() { return (i > 0); } public Object next() { Object item = first1.item; first1 = first1.next; i--; return item; } public void remove() { // not needed as this is optional } } //Main method to implement the test public static void main(String[] args) { Scanner scan = new Scanner(System.in); /* Creating object of class linkedStack */ LinkedStack ls = new LinkedStack(); /* Perform Stack Operations */ System.out.println(\"Linked Stack Test\ \"); char ch; do { System.out.println(\"\ Linked Stack .

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A. Karl Marx B. Max Weber C. Erik Olin Wright D. Kingsley Davis and Wilbert Moore Jobs that require rare talent and training should be paid more than other jobs. Stratification is based on class, status, and power. Stratification is based on ownership of the means of production. Ownership, control, and authority influence a person\'s position on the stratification hierarchy. Society needs stratification in order to make sure that the most important people fill the most important positions in society. Solution Erik olin wright Jobs that require rare talent and training should be paid more than other jobs Max Weber - stratification is based on class, status, and power Karl Marx - stratification is based on ownership of the means of production Max Weber - ownership, control, and authority inflences a person\'s position on the stratification hierarchy Davis & Moore - Society needs stratification in order to make sure that the most important people fill the most important positions in society.

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4 (Opportunity Cost) You can either spend Spring Break working at home for $80 per day for five days or go to Florida for the week. If you stay home, your expenses will total about $100. If you go to Florida, the airfare, hotel, food and vary) miscellaneous expenses will total about $700. What\'s your opportunity cost of going to Florida? (Hint: Answers may ials Solution Opportunity cost = Income forgone by not working at home for five days Income forgone = 80 x 5 - 100 = $300 Opportunity cost = $ 300.

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You isolated an enveloped virus whose virions are able to hemadsorb and hemagglutinate chicken red blood cells. What other characteristics do you expect this virus to possess if it had to relate to influenza viruses? Solution if the virus relate to influenza virus it should posses several resemblence in character- 1.it have negetive sense single stranded RNA, 2. IT posses N NEURAMINIDASE , H HEAMAGGLUTININ antigens. 3. they undergo antigenic shift and drift, 4. transmission is by respiratory inhalation.5. thay cause heamagglutination of RBC..

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What professions were represented on the team? What role did each member play in achieving the team’s shared goal? To what extent was your teamwork experience successful? Why or why not? (in your own words-not copy and paste) Solution According to Bernard Barett, (2016) the following professions were represented on the team: Psychologist, Counsellors, behavioural teams, nursing, social workers, Psychiatrist, Art therapist, General Practictioners. Each member play a definite role in achieving the shared role. Members share a high degree of coordination and teamwork. When individuals grasp each other well, they\'re rather more possible to figure well along. New member can stay somewhat isolated till everybody else gets to grasp her. If you\'ve got many workers on speaking terms and you throw them along into a project. I work in a healthcare organziation as a nursing staff and my experience of team was successful with lots of new experiences. When health care suppliers work as a team, they will be a lot of awake to changes as they occur, in line with a research team funded by the Canadian Health Services analysis. once a patient’s condition worsens, the team appearance to the leader, knowing that every person on the team will fulfill his various duties and work with others to resolve issues. Nurses, doctors and assistants operating as a team tend to create fewer mistakes, resulting in improved patient outcomes.Team members are more practical health care suppliers once they work along as a result of they have a tendency to be told a lot of concerning what role every member plays. you wish to know the duties of every team member to figure along effectively, increasing your own skills as duties typically overlap. As a part of the team, you come back to know and appreciate the roles of physicians, nurses, nursing assistants, social staff, physical therapists and directors as you communicate and work along within the best interests of the patient..

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what is the threat and solution for when alice sends a password and bob hashing it and comparing it against a database of hashed passwords? Solution In given scenario, dictionary attack may be the possible threat in which hacker tries to get the decipher key by trying million of possibilities like in dictionary. There are various data types of dictionary attack software in the market which ease the work of a hacker. Possible solution for the given threat is using salt which is a random data which is used an additional input for the hashing. A new salt is generated for each password. Generated salt and password are concated and applied to hash function and obtained result is stored in the database with salt value. Since, salt is different for each password, therefore it can be used for common passwords as well. For example, salt is used in UNIX system credentials, Internet security etc..

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What is a charismatic leader? What problems are charismatic leaders likely to create for an organization? In what type of situation is a charismatic leader most likely to be beneficial? Solution A charismatic leader is a powerful personality with high level of self-confidence, strong believes in their ideas. The charismatic leaders have great influential and motivational power and articulate their ideas in very effective manner to their followers. They are ready to take certain degree of risk and try to empower their followers. The problems that charismatic leaders likely to create for an organization could be followings- The situation where a charismatic leader most likely to be beneficial is the work could be linked to the ideological values of the followers and have an appeal for them. For example if technological advancement or defense related work could be linked to the national pride or development of the nation etc. then in this situation a charismatic leaders are most likely to be beneficial to influence or motivate their followers..

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What is the difference between sequential file access and random file access? Describe a unique scenario (different than submitted by classmates) where each type of file access could be used (no coding required). Solution the main differenece is we should have to incremenet the address to the reach the specified loaction in sequenctial access but in random access we will get the address of the loaction and can reach it directly.(it can implemeted using pointers) sequential accesss: in this the data is accessed in a memory devices in sequencial or predefined way or in an ordered sequence example of sequencial access: iam giving you the real world senario as a example: a student named john is living in an hostel he want his friend named rock. in hostel there are 100 rooms sequencially john is in 20th room and rock is in 90 th room .but john doesnt know which room he is so he started searching one by one room sequencially like(21 22 23..90). this is one of the example for sequential access random access: it is one type of process in which specified memory can access by using address of the memory and can be accessed directly . example of random access: now if we use the above example if john known room number of the rock then he need not to search all the room he just directly reach the 90 th where rock is situated..

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The Statement of Cash Flows for a proprietary fund must include which of the following? A. Operating, investing, capital and related financing and noncapital related financing LO B. Operating, investing nancing Operating, capital and related financing, investing C. O D. Operating, investing, fiduciary and capital related financing activities Solution Answer: A . Operating, investing, capital and related financing and non capital related financing..

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The Miami Beach police department is sick and tired of the college and high school students coming to town for Spring break and bringing drugs and alcohol with them. So, they’ve devised a plan, Operation Intercept, to stop the flow of drugs. First, the Police Chief orders random check points on all the highways leading into town. Each check point will have a drug dog that will go around the outside of the vehicle and alert the handler if there is a “hit.” Second, to help stop the flow of drugs entering the city via the waterways and ports, the Chief has ordered the use of drones. He instructs his officers to conduct drone “flights” in the areas where the drug dealers often use speedboats for drug trafficking. As expected, Operation Intercept is successful. The Department makes a number of arrests based upon both the traffic stops and the drones. Discuss whether drug dogs at the traffic stops and the drones are constitutional under the 4th Amendment. Solution Answer:- Fourth Amendment understanding (taken from book):- The United State Constirution, in Fourth Amendment, is part of Bill of Rights, protects people or prohibits from unreasonable searches and seizer by government and it requires any search warrant to be judicially sanctioned and supported by probable cause. But it doesn’t give guarantee against searches and seizer but only those that are deemed unreasonable under the law. Case Evaluation:- Operation Intercept carried by The Miami Police Department is to stop the flow of drugs to city during Spring. This is of good intent that will not only help to control drug flow but will help to keep control on unwanted environment in city and will maintain harmony and peace in city while people enjoying their summer alongwith city continue to reap benefits from tourism activities. Dogs sniffing at patrolling point is correct as per 4th Amendment as it is only taking not more than two minutes of tourist time but helping to keep control on unreasonable drug flow in the city. Moreover, patrolling is like paying toll money that helps government to pass on benefits to people in way of providing better infrastructure (and here by patrolling returns are in form of peace and harmony during their summer vacation tour). Drones flying only captures images of external environment and it is not interfering on people privacy hence it is correct as per 4th Amendment as it is not searching on people.The images are helping police department to check speed of boat that could bring unlawful flow of drugs..

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The magnitude, R, on the Richter scale of an earthquake of intensity I is given by R = log (I/I_0), where I_0 is the intensity of a barely felt zero-level earthquake. The Loma Prieta earthquake of 1989 in Northern California was 10^7.1 as intense as a zero-level earthquake. What was its magnitude on the Richter scale? Solution R = log(I/Io) ; Io = intensity of zero level earthquake ; In northen California : I/Io = 10^7.1 R = log(10^7.1) = 7.1log10 = 7.1.

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