Kinematics Question - Need Help Desperately

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Homework Help Overview

The problem involves kinematics, specifically analyzing the motion of a bird affected by wind. The bird has an initial velocity in the easterly direction and experiences a constant acceleration from the south over a specified time period. The goal is to determine the magnitude and direction of the bird's displacement during this time.

Discussion Character

  • Exploratory, Conceptual clarification, Problem interpretation

Approaches and Questions Raised

  • Participants discuss the independence of motion in different directions, suggesting the use of vector components to analyze displacement. Questions arise regarding the specific calculations needed for both x-direction and y-direction displacements over the time interval.

Discussion Status

The discussion is ongoing, with participants seeking clarification on the computational aspects of the problem. Some guidance has been provided regarding the treatment of the motions as independent, but confusion remains about the specifics of the calculations.

Contextual Notes

One participant mentions missing class and being unsure about the relevant equations, indicating a potential gap in foundational knowledge that may affect their understanding of the problem.

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Homework Statement



An unsuspecting bird is coasting along in an easterly direction at 1.34 m/s when a strong wind from the south imparts a constant acceleration of 0.200 m/s^2. If the acceleration from the wind lasts for 3.90s, find the magnitude, r, the direction, theta, of the bird's displacement during this time period. (HINT: assume the bird is originally traveling in the +x direction)

Homework Equations





The Attempt at a Solution



I missed a day of class, and I am not really sure what the equations are that I am supposed to use for this type of question. Can anyone help me get going on this problem? Thanks in advance.
 
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The problem is much like the usual projectile kind of problem. There's an initial velocity in the x-direction and an acceleration in the y-direction. The motions are independent. Compute both over the given time interval. Treat as vector components for the total displacement.
 
gneill said:
The problem is much like the usual projectile kind of problem. There's an initial velocity in the x-direction and an acceleration in the y-direction. The motions are independent. Compute both over the given time interval. Treat as vector components for the total displacement.

Thank you for your help, I am still a little confused as to what you mean by "compute over the given time interval"
 
Joe_K said:
Thank you for your help, I am still a little confused as to what you mean by "compute over the given time interval"

What's the x-direction displacement after the stated time? What's the y-direction displacement after the given time?
 

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