In  calculation of the pipe flow is used a chart with dimensionless groups (f, Re, ε/D). It is called

The most important dimensionless group in fluid mechanics is

The table below shows the total revenue information for a firm that sells strawberries.

What is the price per unit of strawberries?

When a firm has a negative accounting profit:

Andy has $328,000 in savings and the interest rate is 2%.  He is considering quitting his job, moving

to Hawaii, and buying a vacation property where he would live and rent

accommodations to tourists.  His job pays

him $61,000 per year.  He estimates that,

in Hawaii, his annual revenue would be $177,000; and costs of utilities, wages,

insurance, and maintenance of the property would be $21,400 per year.  He would have to use $290,000 of his savings to purchase the property.  What would be Andy’s

economic profit for the business in Hawaii?

***

Correct answers will receive 1 mark.  Incorrect answers will

receive -0.75 mark.  An answer left blank will receive 0 marks.  So decide

carefully before you answer.***

I painted my room. It was work that lasted for two days.

Which of the following describes what occurs in the fission process?

The stars are at a distance from the Sun. This distance is several hundred light-years.

The lightshow takes place at intervals. The intervals last two hours.