Kinematics

What is the ratio of distance travelled to the displacement covered by a body along circumference of a semicircle of radius r ?

2 Answers

466
Himanshu Giria ·

distance travelled = circumference (not perimeter ) of semi - circle
=1/2 * 2 π r
= π r
magnitude of displacement = final - initial =r+r = 2r

therefoee ,
dist. : disp. = π r / 2 r
SIMPLY DRAW THE DIAGRAM OF A SEMI - CIRCLE AND YOU WILL GET IT ...

466
Himanshu Giria ·

Ï€/2

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