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  • Calculate the path length of a semicircular path having a radius <img alt="" src="https://cdn.entrance360.com/media

Calculate the path length of a semicircular path having a radius r

Option: 1

\pi r\;


Option: 2

\; 2r\;


Option: 3

\; \frac{\pi r}{2}\;


Option: 4

\; \frac{3\pi r}{2}


Answers (1)

Path length or distance is known as the length of the actual path between the initial and final positions of the body.
E.g. Distance travelled along the circle is 2\pi r in one revolution

So path length of a semicircular path having a radius r is  \pi r

 

Posted by

Ramraj Saini

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