Asked by Anonymous
A delivery truck travels 21 blocks north, 17 blocks east, and 27 blocks south.
What is its final displacement from the origin (direction)?
What is its final displacement from the origin (direction)?
Answers
Answered by
Damon
went 21 - 27 = -6 blocks north
went 17 east
magnitude = sqrt (17^2 + 6^2)
tangent of angle south of east = 6/17
angle clockwise from north (compass bearing from origin) = 90 + tan^-1(6/17)
went 17 east
magnitude = sqrt (17^2 + 6^2)
tangent of angle south of east = 6/17
angle clockwise from north (compass bearing from origin) = 90 + tan^-1(6/17)
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