1.

a particle travelling in a circular path of radius r completes one -quarter of a revolution . what is the distance travelled and displacement ?

Answer» DISTANCE TRAVELLED=1/4 of perimeter
distance =  \frac{1}{4} 2\pi {<klux>R</klux>}^{}
so distance travelled =πr/2

displacement=√r^2+r^2
=√2r^2
=√2r

here r is RADIUS.


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