Determine the direction of vector

  • Thread starter kgianqu2
  • Start date
  • #1
kgianqu2
16
0
Find the direction of the vector . Let the direction of a vector be the angle that the vector makes with the +x-axis, measured counterclockwise from that axis. x=7.25 km, y=-3.50 km

Please help. I got -25.769, but when I entered it (to the correct sig figs) mastering physics said it was wrong.
 

Answers and Replies

  • #2
ryan88
42
0
Have you tried entering 360 - 25.769 = 334.231?
 
  • #3
kgianqu2
16
0
That worked, thank you so much. But why did it have to be subtracted from 360?
 
  • #4
Muphrid
834
2
Do they want the answer in degrees?
 
  • #5
kgianqu2
16
0
Yes, but it I got the answer. It had to be subtracted from 360. Thank you anyway.
 
  • #6
nasu
3,957
582
That worked, thank you so much. But why did it have to be subtracted from 360?

If the y component is negative and the x component is positive, in what quadrant will it be?
Draw a sketch if you don't see it.
 

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