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  4. An airplane flies 400 m north and 300 m south and then flies 1200 m upwards then net displacement is

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Q. An airplane flies $400\, m$ north and $300\, m$ south and then flies $1200\, m$ upwards then net displacement is

AP EAMCETAP EAMCET 2020

Solution:

The various displacements of airplane is shown below
image
Net displacement travelled by airplane,
$d=\sqrt{100^{2}+1200^{2}}=\sqrt{1450000}$
$=1204.16\, m =1200\, m$