What is the magnitude of displacement after covering the quadrant of a circle having radius r?

CBSE 9 - Physics

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CBSE 9 - Physics

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Text Solution

` r sqrt 2 , pi r //2` ` r _2 pi r`` 2 sqrt 2 r , pi r` ` r_1 pi r//2`

Answer : A

Solution : Rwdwe ro Dif. 1 (CF). 45. <br> <img src="https://d10lpgp6xz60nq.cloudfront.net/physics_images/PR_XI_V01_C02_E01_287_S01.png" width="80%">. <br> magnitude of displacement ltbRgt ` AC = sqrt(OA^@ + OC^2) = sqrt (r ^@ +r^2) = r sqrt 2` <br> Distance for one wuadrant ` ABC= ( 2 pi r)/4 = ( pi r)/2`.