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1.     The Canadian government is considering whether to spend 200 million dollars on new hospitals or new highways.  4 Marks Total

a.     Is the government faced with a trade-off? Explain. 2 Marks

Yes it’s a trade off because a trade off is a

Yes the government is faced with a trade off because

b.     If the government uses the funds to build highways, what did they give-up? What is the opportunity costs for the new highways? 2 Marks

9. Consider the following events: Scientists reveal that eating oranges decreases the risk of diabetes, and at the same time, farmers use a new fertilizer that makes orange trees produce more oranges. Illustrate and explain what effect these changes have on the equilibrium price and quantity of oranges.


1.     Alicia has $60. She can choose to buy a new pair of jeans for $60, or a new pair of boots for $60.                10  Marks Total

a.     Which of the 10 economic concepts is Alicia dealing with? Explain. 2 Marks

Alicia is dealing with the concept of people facing trade-offs.

b.     If she chose to buy the boots because that would make her happy, is she being purposeful in her behaviour? Explain. 2 Marks  

c.     What is her money cost for the boots? 2 Marks

d.     According to the textbook, what is “opportunity costs”? 2 Marks

e.     What is Alicia’s opportunity cost in getting the boots? 2 Marks  


Given, Sketch, and Solution of 

A large gun fires a shell with a muzzle velocity of 400m/sec. What is the range of the gun when it is elevated at ang angle of 30? and 50?


Given, Sketch, And Solution of the problem?


The Jamaican government administers two programs that affect the market for cigarettes. Advertisements and labeling requirements which are aimed at making the public aware of the dangers of cigarettes. At the same time, the Ministry of Agriculture limits the amount of land that can be devoted to tobacco production. Are these two programs useful in the goal of reducing cigarette consumption? 



A cannon is mounted on a railroad car. The cannon fires a 1.75kg ball with a muzzle velocity 300.m/s to the left. The mass of the cannon-car combo is 4500.kg. if all is initially at rest, what is the recoil velocity of the cannon-car?

Step 1 (2 pts). Read from input student status (string), homework points, quiz points, midterm exam score, and final exam score (double). Valid student status includes undergrad (UG), grad (G), and distance leaner (DL). Calculate each category average using maximum points for homework (800), quizzes (400), midterm exam (150), and final exam (200). Output an error message if student status is not one of the three options. Otherwise, output category averages as a percentage using cout << "Homework: " << homework << "%" << endl;. Submit for grading to confirm two tests pass.


input is UG 600.0 300.0 120.0 185.0


A steel railroad rail expands and contracts according to the formula Δl = 𝛼lΔT,

where Δl is the change in length, 𝛼 is a constant called the coefficient of linear expansion, l is the original length, and ΔT is the change in temperature. If a 50.0 ft steel rail is installed at 0°F, how many inches will it expand when the temperature rises to 190°F? (𝛼 = 6.5 10−6/°F.


A typical light wave has a wavelength of 580 nanometers (580 x 10-9 m).  


 If the speed of light is 3.0 x 108 m/s what is the frequency of the typical light wave?



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