Question

A person walks 4 meters east, then walks 3 meters north. Determine The Displacement.

Answer 1

Explanation:

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Answer 2

The displacement is 5 metres.

Given:

• The person walks 4 metres towards east and then 3 metres towards north.

To find:

• Net displacement?

Calculation:

Displacement is a vector quantity characterized by the shortest length between the starting and stopping point of an object.

Now, when the person moves on the given trajectory, the displacement can be calculated with the help of PYTHAGORAS' THEOREM.

$\therefore \: d = \sqrt{ {3}^{2} + {4}^{2} }$

$\implies\: d = \sqrt{ 9 + 16 }$

$\implies\: d = \sqrt{25 }$

$\implies\: d =5 \: m$

So, displacement is 5 metres.