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QJEEM22Ph949e: JEE Main 2022 Physics - Class 11 JEEM22Ph949e Solution: A person starts his journey from centre 'O' of the park and…

A person starts his journey from centre 'O' of the park and comes back to the same position following path OPQO as shown in the figure. The radius of path taken by the person is 200 m and he takes 3 min 58 sec to complete his journey. The average speed of the person is _____________ ms −- 1. (take π\pi = 3.14)

JEE Main 2022 (Online) 30th June Morning Shift Physics - Circular Motion Question 34 English

Step-by-Step Verified Solution

amp;Vav=Stotal Ttotal =200+200+2π×2004238amp;=400+100π238=714238=3 m/s\begin{aligned}& V_{a v}=\frac{S_{\text {total }}}{T_{\text {total }}}=\frac{200+200+\frac{2 \pi \times 200}{4}}{238} \\\\&=\frac{400+100 \pi}{238}=\frac{714}{238}=3 \mathrm{~m} / \mathrm{s}\end{aligned}

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