Calculate the ratio of the drag force on a jet flying at 878 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/m3 at 9.8 km and 0.68 kg/m3 at 4.9 km. Assume that the airplanes have the same effective cross-sectional area and drag coefficient C.

Calculate the ratio of the drag force on a jet flying at 878 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/m3 at 9.8 km and 0.68 kg/m3 at 4.9 km. Assume that the airplanes have the same effective cross-sectional area and drag coefficient C.

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter5: More Applications Of Newton’s Laws

Section: Chapter Questions

Problem 40P

See similar textbooks

Similar questions

Calculate the ratio of the drag force on a jet flying at 1000 km/h at an altitude of 10 km to the drag force on a propdriven transport flying at half that speed and altitude. The density of air is 0.38 kg/m3 at 10 km and 0.67 kg/m3 at 5.0 km.Assume that the airplanes have the same effective cross-sectional area and drag coefficient C.
The total aerodynamic force F acting on the airplane has a magnitude of 6250 lb. Resolve this force into vertical and horizontal components (called the liftand the drag, respectively)
Estimate the terminal speed of a wooden sphere (density 0.830 g/cm3) falling through air, if its radius is 8.00 cm and its drag coefficient is 0.500. (The density of air is 1.20 kg/m3.) (b) From what height would a freely falling object reach this speed in the absence of air resistance?
Block A in Fig. P5.72 weighs 60.0 N. The coefficient of static friction between the block and the surface on which it rests is 0.25. The weight w is 12.0 N and the system is in equilibrium. (a) Find the friction force exerted on block A. (b) Find the maximum weight w for which the system will remain in equilibrium.
A boy has stacked two blocks on the floor so that a 5.00kgblock is on top of a1.60kg block. If the coefficient of static friction between the two blocks is 0.400 and the coefficient of static friction between the bottom block and the floor is 0.220,with what minimum force should the boy push horizontallyon the upper block to make both blocks start to slide together along the floor?
What is the maximum horizontal force that is required to cause a 15kg box to begin to slide along a horizontal surface if the coefficient of static friction is 0.20?
the total aerodynamic force F acting on the airplane has a magnitude of 6250 lb. Resolve this force into vertical and horizontal components
If a bubble in sparkling water accelerates upward at the rate of 0.225 m/s2 and has a radius of 0.500 mm, what is its mass? Assume that the drag force on the bubble is negligible.
A block (mass = 200.00 g) is placed on an inclined plane 45 degrees from the horizontal. The coefficient of static and kinetic friction between the block and the plane are 0.54 and 0.35, respectively. What is the frictional force between the block and the plane?
A dockworker adjusts rope which keeps a ship from drifting alongside a wharf. If he exerts a pull of 200 N on the rope, which has turns of 1 ¼ around the mooring bit, what force T can he support? The coefficient of friction between the rope and the cast-steel mooring bit is 0.30
A 100-kg block is moved at a constant speed along the horizontal surface by a force inclined above the horizontal. The horizontal force is 400 newtons, while the vertical component of the force is 300 newtons. Find (a) the force of kinetic friction, (b) the normal force and the (c) coefficient of kinetic friction.
In a television commercial, a small, spherical bead of mass 4.00 g is released from rest at t = 0 in a bottle of liquid shampoo. The terminal speed is observed to be 2.00 cm/s. Find (a) the value of the constant b in the equation v = mg/b (1 − e−bt/m), and (b) the value of the resistive force when the bead reaches terminal speed.