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A Body Travels a Distance of 3 Km Towards East, Then 4 Km Towards North and Finally 9 Km Towards East. What is the Resultant Displacement ? - Science

Answer in Brief
Sum

A body travels a distance of 3 km towards East, then 4 km towards North and finally 9 km towards East.

What is the resultant displacement ?

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Solution

The body travels a total distance of 12 km east, which means towards the x-axis, on a Cartesian plane. It travels a distance of 4 km in north direction, which means towards y-axis.
Resultant displacement :
`sqrt(12^2+4^2)`
= `sqrt(144 + 16)`
= `sqrt(160)`
= 12.65 km

Concept: Displacement
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APPEARS IN

Lakhmir Singh Science Class 9 Physics
Chapter 1 Motion
Hots Questions | Q 57.2 | Page 22
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