Asked by Holly
a bird flies 3km west and then 4km south. find the resultant displacement of the bird
Answers
Answered by
Damon
luckily a right triangle with legs of 3 and 4 has a hypotenuse of 5 so there is no need to use c^2 = a^2 + b^2 to get the magnitude.
The cosine of the angle south of west is 3/5
so the angle is 53.13 degrees south of west
which is 180 + 53.13 degrees counterclockwise from the x axis
or 126.87 deg. clockwise from North on your compass rose.
The cosine of the angle south of west is 3/5
so the angle is 53.13 degrees south of west
which is 180 + 53.13 degrees counterclockwise from the x axis
or 126.87 deg. clockwise from North on your compass rose.
Answered by
MARTINS
I DO NOT UNDERSTAND
Answered by
meme
thats way too confusing
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