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 ·2013-06-17 08:29:32

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

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

466

Himanshu Giria ·2013-06-17 03:21:05

Ï€/2

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Aveek Bhaumik Can you please elaborate how this relation comes?
Upvote·0· Reply ·2013-06-17 07:27:19
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