*72. D An airplane has an effective wing surface area of 16 m² that isgenerating the lift force. In level flight the air speed over the top of thewings is 62.0 m/s, while the air speed beneath the wings is 54.0 m/s.What is the weight of the plane?

Given: The surface area of airplane is A=16 m2. The speed of air is v=62 m/s. The speed of air…

Answered: *72. D An airplane has an effective…

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 91P: (a) Calculate the retarding force due to viscosity of the air layer between a cart and a level air...

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(a) Calculate the retarding force due to viscosity of the air layer between a cart and a level air track given the following information: air temperature is 20°C, the cart is moving at 0.400 m/s, surface area is 2.50102 m2, ad thickness of air layer is 6.00105 m. (b) What is the ration of this force to the weight of the 0.300-kg cart?
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*72. D An airplane has an effective wing surface area of 16 m² that is generating the lift force. In level flight the air speed over the top of the wings is 62.0 m/s, while the air speed beneath the wings is 54.0 m/s. What is the weight of the plane?