Answered: An aircraft flies at constant altitude…

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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An aircraft flies at constant altitude (with respect to sea level) over the South Rim of the Grand Canyon (see figure below). Consider a coordinate system such that the positive x axis points to the east, and the positive y axis points north. The aircraft's initial position and velocity are 1370 m at an angle of 145° and 55.0 m/s at an angle of 55.0° where both angles are measured counterclockwise with respect to the positive x axis. The aircraft's acceleration is 4.3 m/s² at an angle of 195° with respect to the positive x axis. (Express your answers in vector form.)

(a) What is the velocity of the aircraft after 7.00 s have elapsed?

v_f =

−ˆi−ˆj

m/s

(b) What is the position vector of the aircraft after 7.00 s have elapsed?

r =

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