Question

a child moves 30 m northwards then 40 m eastwards. the distance covered by the child is

Answer 1

Answer:

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$\sqrt{17}$

Explanation:

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