9.39 A 5-m-diameter parachute of a new design is to be usedto transport a load from flight altitude to the ground with anaverage vertical speed of 3 m/s. The total weight of the load andparachute is 200 N. Determine the approximate drag coefficientfor the parachute.9.40 A 50-mph wind blows against an outdoor movie screenthat is 70 ft wide and 20 ft tall. Estimate the wind force on thescreen.

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to transport a load from flight altitude to the ground with average vertical speed of 3 m/s. The total weight of the load a parachute is 200 N. Determine the approximate drag coeffici for the parachute.

to transport a load from flight altitude to the ground with average vertical speed of 3 m/s. The total weight of the load a parachute is 200 N. Determine the approximate drag coeffici for the parachute.

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Stair is a type of vertical transportation in a building which consist of a series of steps in a flight of stairs that enable the vertical movement of people and materials from one floor to another. A staircase consists of steps that comprises of riser & tread, handrail, baluster, stair stringers, newel post and waist slab. The construction of staircase with all the components is termed as stair construction. A staircase is an enclosure that contains the entire stairway. The materials used for the construction of stairs are bricks, reinforced cement concrete, stone, lumber, steel and a combination of these materials.

Question

9.39 A 5-m-diameter parachute of a new design is to be used
to transport a load from flight altitude to the ground with an
average vertical speed of 3 m/s. The total weight of the load and
parachute is 200 N. Determine the approximate drag coefficient
for the parachute.
9.40 A 50-mph wind blows against an outdoor movie screen
that is 70 ft wide and 20 ft tall. Estimate the wind force on the
screen.

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