2. A world class runner can run long distances at a pace of 15 km/hour. That...

2. A world class runner can run long distances at a pace of 15 km/hour. That runner expends 800 kilocalories of energy per hour.

a. Find the power (in Watts [W]) the runner is exerting while running. (3 points

b) Find the total energy (in Joules [J]) exerted by the runner in a 15 km run.

c. How many Milky Way (Original Single 52.2g) chocolate bars does the runner need to buy to supply the amount of energy to complete a half-marathon (13.1 miles)? (Cite your source for the number of calories in a Milky Way bar)

Expert Solution

genius_generous answered 2 years ago

A runner wants to run 10.7 km. Her running pace is 6.6 miperhour. How many minutes...

A runner wants to run 10.7 km. Her running pace is 6.6 miperhour. How many minutes must she run? Express your answer using two significant figures.

Assume that your friend claims that he can run 20 km in less than an hour...

Assume that your friend claims that he can run 20 km in less than an hour and a professional sports team will recruit him after graduation based on this outcome so he does not worry about his GPA at the university. You would like to test this claim and take a random sample of 34 runs this year and find that he averaged 58.2 minutes. Assume that the standard deviation of his runs is 8.5 minutes and it is normally...

You are walking 3.5 miles per hour. At this pace, how long will it take to...

You are walking 3.5 miles per hour. At this pace, how long will it take to walk the 6 miles to school?

2. Competitive Firm Equilibrium Long run, Exit/Entry in Long Run, Explain why a competitive firm can...

2. Competitive Firm Equilibrium Long run, Exit/Entry in Long Run, Explain why a competitive firm can only earn normal economic profit (define) in long run. 3. Define monopoly, explain why the MR and P( AR) curve for a monopolist are different and why they are downward sloping and why does MR lie below the AR curve. Compute Monopoly P and Q and profits; compare monopoly price/quantity/profits with a competitive market price and quantity. Compute CS, PS, TS for monopoly as...

Assume Alex Morgan of the US Women’s National Team can run at a pace of 3.83...

Assume Alex Morgan of the US Women’s National Team can run at a pace of 3.83 m/s and you are in a car travelling 20.1 m/s. If you beep your car horn to say hello, and the car horn has an audible frequency of 190. Hz a- What frequency does she hear when you both are approaching each other with these speeds? (Assume the speed of sound is 340 m/s .) b-If you wait until you pass by, what frequency...

a) “According to the long-run classical model, there will be a decrease in the world interest...

a) “According to the long-run classical model, there will be a decrease in the world interest rate and the world level of investment when the aging populations of industrial countries start running down their savings and, at the same time, the investment appetite of emerging economies begins to slow down.” True/False, explain with the aid of one diagram for the world market for loanable funds. (10 points) Note: The world as a whole is a closed economy. b) A new...

You are on the second hour of a long weekend morning run. You only ate a...

You are on the second hour of a long weekend morning run. You only ate a small protein bar before your run. Explain what metabolic processes are most active in your body as your cells need to constantly make ATP. In addition, explain what thermoregulatory mechanisms are most likely occurring in your body. (4 pts)

Monopolistic competitors can make a _ in the short-run, but in the long run, __ will...

Monopolistic competitors can make a _____________ in the short-run, but in the long run, ______________ will drive these firms toward _______________________. A) profit or loss; entry and exit; a zero-profit outcome B) loss; exit; losses on their earnings C) profit or loss; exit; economic profits D) profit; entry; a price that lies at the very bottom of the AC curve

Chapter 15: Eating and Exercise Disorders Case 2 – Kate, the Marathon Runner Kate is an...

Chapter 15: Eating and Exercise Disorders Case 2 – Kate, the Marathon Runner Kate is an experienced 22-year-old marathon runner who trained intensively to qualify for the Boston Marathon and successfully set a new personal record at a qualifying marathon 1 month ago. She will run the Boston Marathon in 3 months. Over the course of her training, Kate inadvertently lost about 15 pounds. She says she thinks it is because she religiously committed to a physical fitness program and...

a) The owners of firms in the real world would generally expect (in the long run...

a) The owners of firms in the real world would generally expect (in the long run at least) to have some positive of profits on their accounting statements. However, in economic models we usually assume that firms will be willing to operate for zero economic profits even for the long term. Explain why this is the case. b) Explain why the profit maximising price and quantity for a price-setting firm (in a market where it can only set one price)...

Question