Question

A particle is moving in a circle of radius r. Calculate the distance and displacement when it completes half the circle.

Answer 1

It is an image

Explanation:

Hope it helps you

Answer 2

Explanation:

The radius of the circle= r

When it completes half circle:-

Distance=

$\frac{circumference}{2}{}$

=

$\frac{2\pi \: r}{2}$

Distance= π r

Displacement= r+r=2r

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