Question

A person moves 30m north, 40m in east and finally moves 20m in south. Find the distance and displacement.

Answer 1

Distance = 30 m + 40 m + 20 m.

Displacement Vector = 30 j + 40 i + (-20) j = 40 i + 10 j.

Magnitude of displacement = \sqrt{40^2+10^2} = 10\sqrt{17}

4.6

Answer 2

Answer:

distance = (30+40+20) m= 90m

displacement= √{ (40) ^2 + (10) ^2}

=√(1600 + 100)

=√(1700)

=41.23

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