-->

Matter In Our Surroundings

Question
CBSEENSC9005802

A body is moving along a circular path of radius r. What will be the distance and displacement of the body when it completes half a revolution?

Solution

A body is moving along a circular path of radius 'r'.
Displacement space equals space Diameter space of space the space circular space path space equals space 2

Distance space equals space 1 half cross times space circumference space
space space space space space space space space space space space space space space space space equals space 1 half cross times 2 πr space
space space space space space space space space space space space space space space space space equals space πr.