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Unformatted text preview: patel (kp9583) CW4 Mackie (20211) 1 This print-out should have 6 questions. Multiple-choice questions may continue on the next column or page find all choices before answering. DEADLINE IS CENTRAL TIME! 001 (part 1 of 2) 10.0 points A superhero flies 250 m from the top of a tall building at an angle of 29 below the horizontal. a) What is the horizontal component of the superheros displacement? Correct answer: 218 . 655 m. Explanation: x y 250 m Scale: 100 m- 2 9 Basic Concept: x = d (cos ) Given: d = 250 m =- 29 Solution: x = (250 m)[cos(- 29 )] = 218 . 655 m . 002 (part 2 of 2) 10.0 points b) What is the vertical component of the su- perheros displacement? Correct answer:- 121 . 202 m. Explanation: Basic Concept: y = d (sin ) Solution: y = (250 m)[sin(- 29 )] =- 121 . 202 m . 003 (part 1 of 2) 10.0 points A descent vehicle landing on the moon has a vertical velocity toward the surface of the moon of 25 . 9 m / s. At the same time, it has as....
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This note was uploaded on 12/10/2009 for the course PHYSICS 2021 taught by Professor Mihalisin during the Fall '09 term at Temple.
- Fall '09