Question

A particle 20 metre in north east direction how much displacement it covers in eastward direction

guys please answer fast​

Answer 1

Answer:

The displacement covered in the eastward direction is 14.14 m

Explanation:

As shown in the attached diagram, if in the North East direction the displacement is OB then the displacement in the East direction will be OA

Also, ∠AOB = 45°

In ΔAOB

cos45° = OA/OB

or, $\frac{1}{\sqrt{2}} =\frac{OA}{OB}$

or, $OA=\frac{OB}{\sqrt{2}}$

$\implies OA=\frac{20}{\sqrt{2}}$

$\implies OA=10\sqrt{2}$

                         = $10\times1.414$

                         = 14.14 m

Answer 2

Answer:

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