Question 1

according to bernoulli´s principle, what happens when velocity of fluid flow increases?

pressure remains the same.

pressure decreases.

pressure increases.
1 points save answer
question 2

how does a wing achieve lift?

by forcing air to move faster over the top of the wing

by moving air at the same rate on the top and bottom of the wing

by forcing air to move slower over the top of the wing
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question 3

what causes drag?

decrease in velocity

bernoulli´s principle

lift

friction

Perform the following tasks: a. create a class named testclass that holds a single private integer field and a public constructor. the only statement in the constructor is one that displays the message “constructing”. write a main()function that instantiates one object of the testclass. save the file as testclass.cpp in the chapter 08 folder. run the program and observe the results. b. write another main()function that instantiates an array of 10 testclass objects. save the file as test class array.c . run this program and observe the results.

Select the correct answer. what does it indicate when a website displays https instead of http? a. the website is secure. b. there is no secure sockets layer. c. the secure sockets layer is hidden. d. the website is not secure.

Which analyst position analyzes information using mathematical models to business managers make decisions?