Calculate the ratio of the drag force on a passenger jet flying with a speed of...
Calculate the ratio of the drag force on a passenger jet flying with a speed of 950 km/h at an altitude of 10 km to the drag force on a prop-driven transport flying at halfthe speed and half the altitude of the jet. At 10 km the density of air is 0.38 kg/m3 and at 5.0 km it is 0.67 kg/m3. Assume that the airplanes have the same effective cross-sectional area and the same drag coefficient C.
(drag on jet / drag on transport) = ?
Homework Answers
Add Answer to:
Calculate the ratio of the drag force on a passenger jet flying
with a speed of...
Calculate the ratio of the drag force on a jet flying at 836 km/h at an...
Calculate the ratio of the drag force on a jet flying at 836 km/h at an altitude of 9.8 km to the drag force on a prop- driven transport flying at half that speed and altitude. The density of air is 0.39 kg/m2 at 9.8 km and 0.68 kg/mºat 4.9 km. Assume that the airplanes have the same effective cross-sectional area and drag coefficient C. Number i Units This answer has no units
explain please E. arctan(a/vr) 11. In what aituations, if ang, can force? body move in a...
explain please
E. arctan(a/vr) 11. In what aituations, if ang, can force? body move in a eircular peth at coatant ped withoal eeatripetal A. None. 0) In certain special non-inertial frames C. In all non-inertial frames. ex, D. In all inertial frames. E Always 12. A loaded penguin sled weighing 80 N reeta on a plane inclined at angle 20 to the horieontal (ee Egure below) Between the sled and the plane, the coefficieet of static friction in 0.25, and...
In downhill speed skiing a skier is retarded by both the air drag force on the...
In downhill speed skiing a skier is retarded by both the air drag force on the body and the kinetic frictional force on the skis. Suppose the slope angle is θ = 32.5°, the snow is dry snow with a coefficient of kinetic friction μk = 0.0400, the mass of the skier and equipment is m = 78.5 kg, the cross-sectional area of the (tucked) skier is A = 1.30 m2, the drag coefficient is C = 0.150, and the...
A 23-cm-diameter horizontal water jet with a speed of Vj = 20 m/s relative to the...
A 23-cm-diameter horizontal water jet with a speed of Vj = 20 m/s relative to the ground is deflected by a 40° cone moving to the left at Vc = 10 m/s. Determine the external force, F, needed to maintain the motion of the cone. Disregard the gravity and surface shear effects, and assume that the cross-sectional area of the water jet normal to the direction of motion remains constant throughout the flow. Take the density of water to be...
Please Help 8. The atmosphere can exert a small air-drag force on satellites in low orbits...
Please Help
8. The atmosphere can exert a small air-drag force on satellites in low orbits and cause these orbits to decay. (a) Despite an increased air-drag force as the orbit decays, the speed of the satellite increases. Show this by calculating the speed of a satellite when its altitude is 200 km (2.00 x 10 m) and when its altitude is 100 km (1.00 x 10 m) (b) If the satellite's mass is 500 kg (5.00 x 10), show...
Problem 6: Measurements of drag force are made on a model automobile in a towing tank...
Problem 6: Measurements of drag force are made on a model automobile in a towing tank filled with fresh water. The model length scale is 1/5 that of the prototype. State the conditions required to ensure dynamic similarity between the model and prototype. Determine the fraction of the prototype speed in air at which the model test should be made in water to ensure dynamically similar conditions Measurements made at various speeds show that the dimensionless force ratio becomes constant...
A kayak is a relatively streamlined object. As a first approximation calculate the drag force under...
A kayak is a relatively streamlined object. As a first approximation calculate the drag force under the assumption that it acts as a 4-m long flat plate and 0.55-m wide. Determine: a) The drag force when the speed is 5 m / s, b) The power required to maintain speed. c) The drag coefficient. Note: For this problem you can only use the experimental information reported to below, and assuming that the water density is 997 kg / m3 v...
Experiment (7) Drag Force TASK DETAILS Students must use the following equation in order to calculate...
Experiment (7) Drag Force TASK DETAILS Students must use the following equation in order to calculate the drag force on a cylindrical sample placed inside a wind tunnel at varying velocities 1 For CopAV Where: Cp is the drag coefficient p is the density of the fluid through which the body is moving (Pair = 1.225 kg/m?) v is the velocity of the body relative to the fluid A is the projected cross-sectional area of the body perpendicular to the...
6. A 50-kg front seat passenger in a car moving initially with a speed of 25...
6. A 50-kg front seat passenger in a car moving initially with a speed of 25 m/sisbr rest by an air bag in a time of 0.4 s a) What is the impulse acting on the passenger? b) What is the average force acting on the passenger in this process?? 7. A ball traveling with an initial momentum of 5.0 kg.m/s bounces off a wall and comes back in the opposite direction with a momentum of -4.5 kg.m/s a) What...
Lecture I1.3. Drag Force 267 26 percent of greenhouse gas emissions come from cars, with a typica...
Lecture I1.3. Drag Force 267 26 percent of greenhouse gas emissions come from cars, with a typical passeng emitting about 4.7 metric tons of carbon dioxide per year. Assuming all of the rom overcoming air resistance (ignoring internal resistances and stopping/starting much would we need to reduce the 70 mph speed limits vehicle emissions are how to obtain a 20 percent cut in greenhouse er emissions from cars? 14. A small particle with a radius of 0.1 mm and drag...
Calculate the ratio of the drag force on a jet flying at 836 km/h at an altitude of 9.8 km to the drag force on a prop- driven transport flying at half that speed and altitude. The density of air is 0.39 kg/m2 at 9.8 km and 0.68 kg/mºat 4.9 km. Assume that the airplanes have the same effective cross-sectional area and drag coefficient C. Number i Units This answer has no units
explain please
E. arctan(a/vr) 11. In what aituations, if ang, can force? body move in a eircular peth at coatant ped withoal eeatripetal A. None. 0) In certain special non-inertial frames C. In all non-inertial frames. ex, D. In all inertial frames. E Always 12. A loaded penguin sled weighing 80 N reeta on a plane inclined at angle 20 to the horieontal (ee Egure below) Between the sled and the plane, the coefficieet of static friction in 0.25, and...
Please Help
8. The atmosphere can exert a small air-drag force on satellites in low orbits and cause these orbits to decay. (a) Despite an increased air-drag force as the orbit decays, the speed of the satellite increases. Show this by calculating the speed of a satellite when its altitude is 200 km (2.00 x 10 m) and when its altitude is 100 km (1.00 x 10 m) (b) If the satellite's mass is 500 kg (5.00 x 10), show...
Problem 6: Measurements of drag force are made on a model automobile in a towing tank filled with fresh water. The model length scale is 1/5 that of the prototype. State the conditions required to ensure dynamic similarity between the model and prototype. Determine the fraction of the prototype speed in air at which the model test should be made in water to ensure dynamically similar conditions Measurements made at various speeds show that the dimensionless force ratio becomes constant...
A kayak is a relatively streamlined object. As a first approximation calculate the drag force under the assumption that it acts as a 4-m long flat plate and 0.55-m wide. Determine: a) The drag force when the speed is 5 m / s, b) The power required to maintain speed. c) The drag coefficient. Note: For this problem you can only use the experimental information reported to below, and assuming that the water density is 997 kg / m3 v...
Experiment (7) Drag Force TASK DETAILS Students must use the following equation in order to calculate the drag force on a cylindrical sample placed inside a wind tunnel at varying velocities 1 For CopAV Where: Cp is the drag coefficient p is the density of the fluid through which the body is moving (Pair = 1.225 kg/m?) v is the velocity of the body relative to the fluid A is the projected cross-sectional area of the body perpendicular to the...
6. A 50-kg front seat passenger in a car moving initially with a speed of 25 m/sisbr rest by an air bag in a time of 0.4 s a) What is the impulse acting on the passenger? b) What is the average force acting on the passenger in this process?? 7. A ball traveling with an initial momentum of 5.0 kg.m/s bounces off a wall and comes back in the opposite direction with a momentum of -4.5 kg.m/s a) What...
Lecture I1.3. Drag Force 267 26 percent of greenhouse gas emissions come from cars, with a typical passeng emitting about 4.7 metric tons of carbon dioxide per year. Assuming all of the rom overcoming air resistance (ignoring internal resistances and stopping/starting much would we need to reduce the 70 mph speed limits vehicle emissions are how to obtain a 20 percent cut in greenhouse er emissions from cars? 14. A small particle with a radius of 0.1 mm and drag...
Most questions answered within 3 hours.
-
Do not neglect the old for the new. The existing business must
not lose priority simply...
asked 1 hour ago -
Kylie is a single mom with two dependent children,
Tanner, age 7 and Olivia, age 11....
asked 2 hours ago -
Phosphorous + bromine = phosphorous tribromide. If 35.0 g of
bromine are reacted and 27.9 grams...
asked 4 hours ago -
Derive the long wavelength limit of the Planck energy density
distribution
asked 4 hours ago -
Calculate the pH of each of the following solutions.
0.50 M HBr
3.1×10−4 M KOH
4.2×10−5...
asked 7 hours ago -
For the year ended December 31, Depot Max’s cost of merchandise
sold was $85,600. Inventory at the...
asked 7 hours ago -
Week 10 - Professional Memo Assignment
Professional Memo Assignment
Your mission for this week, should you...
asked 7 hours ago -
Write a Python program that stores the data for each
player on the team, and it...
asked 7 hours ago -
In
the last 3 months, mike never knows when he is going to get his
allowance...
asked 8 hours ago -
Is Ca(OH)2 a Bronsted base, Lewis base, or both? Why?
asked 8 hours ago -
1A- Why don’t voters complain about U.S. tariffs on imported
sugar?
Because sugar is only a...
asked 8 hours ago -
Cash Payback Period
Primera Banco is evaluating two capital investment proposals for
a drive-up ATM kiosk,...
asked 8 hours ago