Calculate the ratio of the drag force on a jet flying at 885 km/h at an altitude of 8.6 km to the drag force on a prop-driven transport flying at half that speed and altitude. The density of air is 0.46 kg/m³ at 8.6 km and 0.71 kg/m³ at 4.3 km. Assume that the airplanes have the same effective cross-sectional area and drag coefficient C.

University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter6: Applications Of Newton's Laws
Section: Chapter Questions
Problem 85P: Using Stokes’ law, verify that the units for viscosity are kilograms per meter per second.
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Calculate the ratio of the drag force on a jet flying at 885 km/h at an altitude of 8.6 km to the drag force on a prop-driven transport
flying at half that speed and altitude. The density of air is 0.46 kg/m³ at 8.6 km and 0.71 kg/m³ at 4.3 km. Assume that the airplanes
have the same effective cross-sectional area and drag coefficient C.
Number
i
Units
Transcribed Image Text:Calculate the ratio of the drag force on a jet flying at 885 km/h at an altitude of 8.6 km to the drag force on a prop-driven transport flying at half that speed and altitude. The density of air is 0.46 kg/m³ at 8.6 km and 0.71 kg/m³ at 4.3 km. Assume that the airplanes have the same effective cross-sectional area and drag coefficient C. Number i Units
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