Airplanes are able to fly by utilizing Bernoulli's principle. The shape of an airplane's wing is called an airfoil, and it serves a very particular purpose: the top surface of the airfoil creates a longer path for air to travel than the bottom surface. This creates lift, going upward. View the picture. Question A: This pressure difference is what generates a lift force. If the airfoil has an area of 400 m^2 what lift force is exerted on the plane? Answer in newtonsQuestion B: The airplane has a mass of 220,000 kg. The lift generated by both of the wings is enough to keep the plane in the air. True or False??? This image depicts a diagram illustrating airflow around an airfoil, which is a critical concept in aerodynamics. The airfoil is shown in cross-section, and its streamlined shape is designed to manage the airflow efficiently.Key elements of the diagram include:1. **Airfoil:** The solid shape in the diagram represents the airfoil. It has a rounded leading edge and a tapered trailing edge, characteristic of common airfoil designs.2. **Streamlines:** These are the lines flowing around the airfoil, indicating the path followed by air particles as they move. The streamlines are denser above the airfoil, suggesting faster airflow, and less dense below, indicating slower airflow.3. **Lift Arrow:** A large upward arrow positioned above the airfoil represents lift, which is the aerodynamic force that acts perpendicular to the oncoming airflow. Lift is crucial for flight, allowing aircraft to rise off the ground.4. **Flow Direction:** Arrows along the streamlines show the direction of the airflow, typically from left to right. This directional flow is essential for understanding how the airfoil manipulates the air to produce lift.This diagram is a foundational representation used in studying how wings and other airfoil shapes generate lift, crucial to the science of flight.

The Bernoulli principle is just conservation of energy when applied to fluid dynamics. It states…

Airplanes are able to fly by utilizing Bernoulli's principle. The shape of an airplane's wing is called an airfoil, and it serves a very particular purpose: the top surface of the airfoil creates a longer path for air to travel than the bottom surface. This creates lift, going upward. View the picture. Question A: This pressure difference is what generates a lift force. If the airfoil has an area of 400 m^2 what lift force is exerted on the plane? Answer in newtons Question B: The airplane has a mass of 220,000 kg. The lift generated by both of the wings is enough to keep the plane in the air. True or False???

Airplanes are able to fly by utilizing Bernoulli's principle. The shape of an airplane's wing is called an airfoil, and it serves a very particular purpose: the top surface of the airfoil creates a longer path for air to travel than the bottom surface. This creates lift, going upward. View the picture. Question A: This pressure difference is what generates a lift force. If the airfoil has an area of 400 m^2 what lift force is exerted on the plane? Answer in newtons Question B: The airplane has a mass of 220,000 kg. The lift generated by both of the wings is enough to keep the plane in the air. True or False???

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Airplanes are able to fly by utilizing Bernoulli's principle. The shape of an airplane's wing is called an airfoil, and it serves a very particular purpose: the top surface of the airfoil creates a longer path for air to travel than the bottom surface. This creates lift, going upward. View the picture. Question A: Incoming air on the left either goes over or under the airfoil. If it goes under it must travel a distance of 10 m in 35 ms. What is the speed of the air under the wing? Answer in m/s Question B: Air that goes over the wing must travel a much 11 m in the same 35 ms. What is the speed of the air over ths wing? Answer in m/s Question C: What is the difference in pressure between the top and bottom of the wing? You can ingore the thinkness of the wing since the weight of potential energy density is negligible compared to the difference in air speed. At cruising altitude, the density of air is about 0.4 kg/m^3. Please give a positive answer and show in N/m^2 Question D: This…
Given: A woman of m = 51 kg stands on the ice. The contact area between her skate and the ice is A = 0.0061 m2 Express the force that the person exerts on the ice, F, in terms of m and g. You do not need to include the force of the column of air above her. Calculate the numerical value of F in N. Express the pressure on the ice from the person P in terms of F and A. Calculate the numerical value of P in Pa
A hydraulic piston has two surfaces which can move when a force is applied to them. On the left side, the piston surface is circular with a cross-sectional radius of 10 cm and on the right side it is square with a side of length 30 cm. A. If I push on the left side with 100 N of force, what total force will be exerted by the fluid in the piston on the right side? B. If I displace the piston on the left side by 18 cm, how far will the right surface move?
On another planet that you are exploring, a large tank is open to the atmosphere and contains ethanol. A horizontal pipe of cross-sectional area 7.0×10−4m27.0×10−4m2 has one end inserted into the tank just above the bottom of the tank. The other end of the pipe is open to the atmosphere. The viscosity of the ethanol can be neglected. You measure the volume flow rate of the ethanol from the tank as a function of the depth hh of the ethanol in the tank. If you graph the volume flow rate squared as a function of hh, your data lie close to a straight line that has slope 2.09×10−5m5/s22.09×10−5m5/s2. What is the value of gg, the acceleration of a free-falling object at the surface of the planet? Express your answer with the appropriate units.
Three solid objects are floating in a liquid, as in the drawing. They have different weights and volumes, but have the same thickness (the dimension perpendicular to the screen). Rank the objects according to their density, largest first. O A, C, B O A, B, C O B, A, C O B, C, A O C, A, B C
The wing of an airplane has an average cross-sectional area of 15 m2 and experiences a lift force of 88,000 N. What is the average difference in the air pressure between the top and bottom of the wing? | N/m²
لابد B A These four containers are filled with the same volume of water. Which has the highest pressure at the bottom? A B C
It is a fact that blood flows more rapidly in the aorta than in the capillaries. The cross sectional area of the aorta must be ___________ the total cross sectional area of the capillaries. less than equal to greater than Consider an incompressible liquid flowing in a pipe of constant diameter. ΔP is the pressure difference between the 2 ends of the pipe. Choose the correct statement regarding the volumetric flow. It will decrease with increased ΔP, and increase with greater pipe radius. It will increase with increased ΔP, and increase with greater length of the pipe. it will decrease with greater length of the pipe, and increase with greater pipe radius. it will decrease with increased viscosity of the liquid, and decrease with greater pipe radius.
Problem 3: Water flows through a horizontal cylindrical pipe from a smaller-diameter region to a larger-diameter region. At point A, where the pipe's diameter is 3.5 cm, the water's speed at 25.0 m/s. At point B, the pipe's diameter is 7.0 cm. (a) What is the water's speed at point B? (b) What is the pressure difference between points A and B? Which point has the greater pressure?
A liquid-filled tube called a manometer can be used to measure the pressure inside a container by comparing it to the atmospheric pressure and measuring the height of the liquid. Such a device (filled with water) is shown in the figure, measuring the pressure inside a balloon filled with an unknown gas. The water level on the side of the manometer which is open to the air is 12.2 cm higher than on the side connected to the balloon. a. Find the gauge pressure in the balloon, in units of Pa. Recall the density of water is 1000 kg/m3. b. Find the absolute pressure in the balloon, in units of Pa.
Water travels through a pipe at 11.1 m/s. The pipe expands from a crossectional area of 1.5 m2 to an area of 12.0 m2. What is the speed of the water in the second part of the pipe in m/s? How much is the pressure change in KPa as the pipe expands? The density of water is 1000 kg/m3. Enter a positive value for an increase in pressure, a negative value for a decrease.
The figure below shows a horizontal pipe with a varying cross section. A liquid with a density of 1.65 g/cm³ flows from left to right in the pipe, from larger to smaller cross section. The left side's cross-sectional area is 10.0 cm², and while in this side, the speed of the liquid is 2.72 m/s, and the pressure is 1.20 × 105 Pa. The right side's cross sectional-area is 4.00 cm². (a) What is the speed (in m/s) of the liquid in the right side (the smaller section)? (Enter your answer to at least three significant figures.) m/s (b) What is the pressure (in Pa) of the liquid in the right side (the smaller section)? Pa