1. you want to buy your dream car which will cost you $5900. If you could invest your entire savings of $3500 at an annual interest of 12%, how long (in years rounded to two decimal places) would you have to wait until you have accumulated enough money to buy the car? answer

2. You want to buy a house in 9 years and expect to need $25000 for a down payment. If you have $14000 to invest, how much interest do you have to earn (compounded annually) to reach your goal? (Enter your answers as a decimal rounded to 4 decimal places, not a percentage. For example, enter 0.0843 instead of 8.43%)

Determine the mass (in g) of Ca₃(PO₄)₂ that is produced when 140 mL of a 8.48×10^-2 M Na₃PO₄ solution completely reacts with 778 mL of a 1.54×10^-2 M CaCl₂ solution according to the following balanced chemical equation.  

2Na₃PO₄(aq) + 3CaCl₂(aq) → Ca₃(PO₄)₂(s) + 6NaCl(aq)

A sinusoidal voltage Δv = 42.5 sin(100t), where Δv is in volts and t is in seconds, is applied to a series RLC circuit with L = 180 mH, C = 99.0 µF, and R = 51.0 Ω.

(a) What is the impedance (in Ω) of the circuit?   Ω

(b) What is the maximum current (in A)? A

(c) Determine the numerical value for  ω (in rad/s) in the equation i = I_max sin(ωt − ϕ). rad/s

(d) Determine the numerical value for ϕ (in rad) in the equation i = I_max sin(ωt − ϕ).   rad

(e) What If? For what value of the inductance (in H) in the circuit would the current lag the voltage by the same angle ϕ as that found in part (d)? H

(f) What would be the maximum current (in A) in the circuit in this case? A

C Programming

The score table will be printed by reading the match information made between the teams.

It is not known how many teams. The team information will be kept in a dynamically changed memory area as the new team enters. The match list should also be kept in a dynamic area that is recorded as new match information is entered.

There should be 2 structs in the program.

Mac struct: Consists of 1st team name, 2nd team name, 1st team goal, 2nd team goal information.

Team struct: consists of team name (one word, 20), number of wins, number of draws, number of defeats, number of goals scored, number of goals eaten, point.

Example input: abc xyz 3 1 (Information will be entered completely and correctly.)

A single line of match information, with a space between them, 1 Team name, 2 Team name, 1.

The goal scored by the team will be entered as the goal scored by the 2nd team. In the case where the above example is the first match information entered for these teams, two teams will be identified in the abc and xyz names, and will be added to the team list, since there are no teams defined in these names yet. At the same time, a match struct will be defined, this match struct will be added to the match list, and all information of both teams in the team struct will be updated with this match information.

If the above example is not the first match information entered about the abc and xyz teams, since both teams will be defined before, these teams will be found in the teams list and their relevant information will be updated.

In summary, for the above entry, if the team has not yet been identified in these names, both teams will be identified and added to the team list. The number of victories of the ABC team will be increased by one, the number of goals scored will be increased by 3, the number of goals scored will be increased by 1, and the score will be increased by 3. The xyz team's number of defeats will be increased by 1, the goal scored will be increased by 1, the goal it has scored will be increased by 3, its score will be reduced by 1. (wins 3 points, draw 1 point, defeat -1 point). The match struct will be added to the match list.

After entering the match information, the scoreboard will be printed.

Scoreboard: The information in the team struct will be printed one after the other in the order given in the description. The scoreboard should be in descending order according to the score. In case of score equality, the team with a high average score (goals scored and goals scored) should be on the top. It can be assumed that the score and average will not be equal teams.

After the scoreboard is printed, the user will receive a sequence number from 1-teamnumber, and the matches of the team in the row entered will be listed. Unless -1 is entered, the sequence number will be read again after printing the information of a tool, and the program will end when -1 is entered. If a number between 1-teamnumber or an entry other than -1 has been made, an appropriate message will be given and the entry will be waited again.

Convert the following switch statement into if-else statements:

int month = input.nextInt();
switch (month) {

case 1: System.out.println(“January”);

case 2: System.out.println(“February”); break;

case 3: System.out.println(“March”); break;

case 4: System.out.println(“April”);

case 5: System.out.println(“May”); break;

default: System.out.println(“Invalid”); break;

}

example:

if (month == 1) {

System.out.println("January");

System.out.println("February"); }
if (month == 2)
{ System.out.println("February");
  
}
}
}

Please continue the code! Thanks

IV. More practice with momentum and collisions A. A skater of mass 45.0 kg standing on ice throws a stone of mass 7.65 kg with a speed of 20.9 m/s in a horizontal direction. Find: 1. The speed of the skater after throwing the stone. 2. The distance over which the skater will move in the opposite direction if the coefficient of kinetic friction between his skates and the ice is 0.03. Include an energy bar chart in your solution. B. A tall man walking at 1.25 m/s accidentally bumps his head of mass 2.95 kg on a steel doorframe. His head stops in 0.011 s. 1. What is the magnitude of the average force exerted by the doorframe on the man's head? 2. Explain why putting padding on the doorframe would help reduce this force.

Thermal Rising, Inc., makes paragliders for sale through specialty sporting goods stores. The company has a standard paraglider model, but also makes custom-designed paragliders. Management has designed an activity-based costing system with the following activity cost pools and activity rates:

Management would like an analysis of the profitability of a particular customer, Big Sky Outfitters, which has ordered the following products over the last 12 months:

The company’s direct labor rate is $18 per hour.

Required:

Using the company’s activity-based costing system, compute the customer margin of Big Sky Outfitters. (Round your intermediate calculations and final answer to the nearest whole dollar amount. Loss amounts should be entered with a minus sign.)

Explain what the following Scheme code is doing:

(define (make-stream n f)
  (define (next m)
    (cons m (lambda () (next (f m)))))
  (next n))

(define head car)

(define (tail stream)
  ((cdr stream)))

(define (nth stream n)
  (if (= n 0) (head stream)
    (nth (tail stream) (- n 1))))

(define even (make-stream 0 (lambda (n) (+ n 2))))

Try it out in Scheme48 and check the values of the following expressions:

even
(head even)
(head (tail even))
(head (tail (tail even)))
(head (tail (tail (tail even))))
(nth even 5)
(nth even 1000)

Explain what the lambda in make-stream is good for, where this function is called, and how tail and nth work. To see what’s going on, trace manually through the execution of

(head (tail (tail even)))

Background: The advantage of wireless signals is that they radiate out in all directions, even penetrating walls to a certain extent. Of course, the very ability of wireless signals also causes problems.

Answer the following questions:

• Describe a situation where we would want to block a wireless signal
• Describe a method to block the signal and provide a link to a source for your method or materials
• Give at least one reason why someone might find your solution impractical