3.7 • CALC The coordinates of a bird flying in the xy-plane are given by x(t) = at and y(t) = 3.0 m – Br², where a = 2.4 m/s and B = 1.2 m/s². (a) Sketch the path of the bird between t = 0 and t = 2.0 s. (b) Calculate the velocity and acceleration vec- tors of the bird as functions of time. (c) Calculate the magnitude and direction of the bird's velocity and acceleration at t = 2.0 s. (d) Sketch the velocity and acceleration vectors at t = 2.0 s. At this instant, is the bird's speed increasing, decreasing, or not changing? Is the bird turning? If so, in what direction?
3.7 • CALC The coordinates of a bird flying in the xy-plane are given by x(t) = at and y(t) = 3.0 m – Br², where a = 2.4 m/s and B = 1.2 m/s². (a) Sketch the path of the bird between t = 0 and t = 2.0 s. (b) Calculate the velocity and acceleration vec- tors of the bird as functions of time. (c) Calculate the magnitude and direction of the bird's velocity and acceleration at t = 2.0 s. (d) Sketch the velocity and acceleration vectors at t = 2.0 s. At this instant, is the bird's speed increasing, decreasing, or not changing? Is the bird turning? If so, in what direction?
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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Transcribed Image Text:3.7 • CALC The coordinates of a bird flying in the xy-plane are
given by x(1) = at and y(t) = 3.0 m – Br, where a = 2.4 m/s
and B = 1.2 m/s?. (a) Sketch the path of the bird between 1 = 0
and t = 2.0 s. (b) Calculate the velocity and acceleration vec-
tors of the bird as functions of time. (c) Calculate the magnitude
and direction of the bird's velocity and acceleration at t = 2.0 s.
(d) Sketch the velocity and acceleration vectors at t = 2.0 s. At
this instant, is the bird's speed increasing, decreasing, or not
changing? Is the bird turning? If so, in what direction?
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