Asked by anonymous
What is the magnitude of your total displacement if you have traveled due west with a speed of 23 m/s for 125 s , then due south at 12 m/s for 255 s ?
Express your answer using two significant figures.
What is the direction of your total displacement in part A.
Express your answer using two significant figures.
What is the direction of your total displacement in part A.
Answers
Answered by
bobpursley
magnitude? Easy, they are at right triangles.
magnitude=sqrt(23*125)^2 + (12*255)^2 )
angle W of S is arctan((W/S) or
arctan ((23*125)^2/(12*255)^2 )
magnitude=sqrt(23*125)^2 + (12*255)^2 )
angle W of S is arctan((W/S) or
arctan ((23*125)^2/(12*255)^2 )
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