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A person walks 4.0 kilometers north, then 4.0 kilometers west. His displacement is closest to

A person walks 4.0 kilometers north, then 4.0 kilometers west. His displacement is closest to
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1 vote
A person walks 4.0 kilometers north, then 4.0 kilometers west. His displacement is closest to

User Gemita
by
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1 Answer

3 votes
use the Pythagoras for the magnitude and the tan^-1 x = -1 for the angle

displacement = 4^2 + 4^2 = 32 = 4 sqrt(2) = 5.65 km

angle is 135 degrees.

User ArchAngelPwn
by
8.4k points
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