College Physics
College Physics
11th Edition
ISBN: 9781305952300
Author: Raymond A. Serway, Chris Vuille
Publisher: Cengage Learning
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2- A test projectile is fired horizontally into a viscous liquid with a velocity 100 m/s. The retarding force is proportional to the square of the velocity, so that the acceleration becomes a =- 0.8v². Derive expressions for the distance D traveled in the liquid and the corresponding time t required to reduce the velocity to 50 m/s. Neglect any vertical motion. {0.66 m, 0.0125s}
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Transcribed Image Text:2- A test projectile is fired horizontally into a viscous liquid with a velocity 100 m/s. The retarding force is proportional to the square of the velocity, so that the acceleration becomes a =- 0.8v². Derive expressions for the distance D traveled in the liquid and the corresponding time t required to reduce the velocity to 50 m/s. Neglect any vertical motion. {0.66 m, 0.0125s}
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