Part AAn airplane has a mass of 2.4×106 kg, and the air flows pastthe lower surface of the wings at 88 m/s.If the wings have a surface area of 1500 m², how fast must the air flow over the upper surface of the wing if the plane is to stay in the air?Express your answer to two significant figures and include the appropriate units.на?UtopValueUnitsSubmitRequest AnswerProvide Feedback

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Answered: Part A An airplane has a mass of…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Throughout, take the acceleration due to gravity to be 10 m/s? and water to have density of 1000 kg/m³. Question 1 A large block of mass 1100 kg is towed at a constant speed UB up an inclined plane at 6° to the horizontal, as shown in Fig. 1. The towing force applied on the block has magnitude 1165 N. The block slides over an oil film with a constant thickness of 3 mm. The oil has density 900 kg/m and dynamic viscosity 0.1 Pa.s. The area of the block in contact with the oil is 15 m2. UB F=1165 N m=1100 kg oil film 3 mm contact area: 15 m² 6° Figure 1 (i) Sketch, with appropriate labels, the forces acting on the block in the direction parallel to the inclined plane. (ii) Determine the magnitude of the drag force acting on the bottom surface of the block. (iii) Assuming a laminar velocity profile in the oil film, determine the speed of the block Ug. (iv) Verify that the flow of oil is laminar as assumed in (iii). (v) Determine the power requirement to tow the block. (vi) To reduce the…
The man shown in (Figure 1) blows air through the 3-mm diameter straw with a velocity of 2.8 m/s. Assume fully developed flow occurs along the straw. The temperature of the air is 20°C. Figure -225 mm- 1 of 1 > T Part A Determine the force his lips exert on the straw to hold it in place. Express your answer using three significant figures and include the appropriate units. P-6.673 HA Provide Feedback N ? ubmit Previous Answers Request Answer X Incorrect; Try Again; 3 attempts remaining

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