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  4. If a given point P is in contact with ground initially and wheel of radius R is in pure rolling, then the displacement of point P when point P reaches topmost point of the sphere for the first time will be <img class=img-fluid question-image alt=Question src=https://cdn.tardigrade.in/q/nta/p-uj5qkcosqrst.png />

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Q. If a given point $P$ is in contact with ground initially and wheel of radius $R$ is in pure rolling, then the displacement of point $P$ when point $P$ reaches topmost point of the sphere for the first time will be

Question

NTA AbhyasNTA Abhyas 2020System of Particles and Rotational Motion

Solution:

$d=\sqrt{(\pi R)^{2} + (2 R ^{2})}=\sqrt{(\pi )^{2} + 4)}R$
Solution