atio of the drag force on ving at 834 km/h at an

University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter14: Fluid Mechanics
Section: Chapter Questions
Problem 95P: A skydiver will reach a terminal velocity when the air drag equals his or her weight. For a skydiver...
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Calculate the ratio of the drag force on a
business jet flying at 834 km/h at an
altitude of 10 km to the drag force on a
drone flying at 384 km/h at half that
altitude. The density of air is 0.28 kg/m3 at
10 km and 0.57 kg/m3 at 5 km. Assume
that the drone has half the effective
sectional area of the business jet and the
same drag force coefficient.
Transcribed Image Text:Calculate the ratio of the drag force on a business jet flying at 834 km/h at an altitude of 10 km to the drag force on a drone flying at 384 km/h at half that altitude. The density of air is 0.28 kg/m3 at 10 km and 0.57 kg/m3 at 5 km. Assume that the drone has half the effective sectional area of the business jet and the same drag force coefficient.
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