MIT16_07F09_hw01

MIT16_07F09_hw01 - NAME : . . . . . . . . . . . . . . . . ....

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Unformatted text preview: NAME : . . . . . . . . . . . . . . . . . . . . . Massachusetts Institute of Technology 16.07 Dynamics Problem Set 1 Out date: Sept 5, 2007 Due date: Sept 10, 2007 Time Spent [minutes] Problem 1 Problem 2 Study Time Turn in each problem on separate sheets so that grading can be done in parallel Problem 1 (20 points) Foam cant hurt the Shuttle? The space shuttle Columbia was damaged on liftoff when a piece of insulating foam from the bipod ramp that holds the shuttle to the external tank came loose, accelerated in the air ow and hit the leading edge of the wing. The wing span of the shuttle is 78 ft. Use 56 ft. as your estimate of the ight path length of the foam in the air stream (see figure). The incident occurred at an altitude of 65600 ft where the atmospheric density is .000171 slugs/cu ft. The velocity of the shuttle was 2500 fps. The foam block had a cross sectional area of 1 sq ft and a weight of 2 lbs. Assume a drag coecient CD=1.25. 1.- Derive the equation to predict...
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MIT16_07F09_hw01 - NAME : . . . . . . . . . . . . . . . . ....

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