6.
A person has to go 50m due north, 40m due east and 20m due south to reach a
field. Find the distance he has to walk to reach the field and the magnitude of
displacement from his house to the field respectively.
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Total distance traveled=50+40+20=110m
Displacement=√(30^2+40^2)
=√(900+1600)
=√(2500)
=50m
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