VRAAG 7 Vind die produk van die volgende: 7.1

Thin airfoil theory imposes all the same assumptions as potential flow theory, i.e. steady, inviscid, incompressible, irrotational flow.  It also assumes that thickness effects are negligible.

Thin airfoil theory predicts that the lift slope of a cambered airfoil is 4

Thin airfoil theory shows that positive camber has the effect of making the zero lift angle of attack become negative.

AFTER THE TIME OF THIS EXAM RUNS OUT, PRESS SUBMIT.  IT WILL CLOSE. THEN PRESS NEXT. A QUIZ NAMED “MATH SBA007a UPLOAD” WILL OPEN FOR 30 MINUTES ONLY TO UPLOAD YOUR PDF.  

Explain in detail how the loudness of a person’s voice and the pitch of a person’s voice is determined.   

5.1 Examine the scenarios above. Identify which scenario represents depression and which scenario represent sadness. Provide examples from each scenario to support your answer. (2×4)

MATH INSTRUCTIONS AND INFORMATION Read the following instructions carefully before answering the questions: 1. This exam question paper consists of 6 questions.  Answer ALL questions. 2. Clearly show ALL calculations, diagrams, graphs, etc. that you have used in determining your answers. Answers only will not necessarily be awarded full marks. 3. You may use an approved scientific calculator (non-programmable and non-graphical), unless stated otherwise. 4. If necessary, round off answers to TWO decimal places, unless stated otherwise. 5. Diagrams are not necessarily drawn to scale. 6. Number the questions correctly in accordance with the numbering system used in this question paper. 7. It is in your best interest to write neatly and legibly. 8. All work must be done on your own paper in your own handwriting. 9. Name your ONE pdf uploaded file accordingly:   MATH GR9 NameSurname T04 SBA007a  

Afdeling C Hierdie afdeling bestaan uit Vraag 7 en Vraag 8. Doen SLEGS EEN van hierdie vrae in die afdeling hieronder.

INSTRUKSIES 1. Hierdie vraestel bestaan uit 8 vrae en 3 afdelings. Vraag 7 en 8 is keusevrae. Kies slegs EEN vraag. 2. Lees al die vrae noukeurig deur voordat jy dit beantwoord. 3. Die antwoorde wat jy verskaf, moet jou eie persoonlike werk wees en mag nie ‘n kopiereg van enige ander bron wees nie.