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OpenStudy (dls):
a boy travels 10m due north and then 7m due east.What is his displacement+angle? I got displacement as 12.21 metres,how do i get the angle?
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OpenStudy (dls):
i did tan theta=10/7=1.42 but maybe its wrong..
OpenStudy (anonymous):
arctan(Y-axis/X-axis) = arctan(10/7) = 55.01
OpenStudy (anonymous):
the angle is correct if taken north of east.
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