JEE Main 2022 · 30 Jun · Shift 1 · Physics Q51

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PhysicsInteger+4 / -1Question 51 of 90

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 $\pi=3.14$ )

Circular park of radius 200 m with centre O: the path goes from O straight to P on the rim, along the quarter arc from P to Q, and straight back from Q to O.

Your answer

Answer and worked solution

Official answer: 3

Path $200+200+\frac\pi2\times200=714$ m in 238 s: 3 m s $^{-1}$ .

Answer: 3

Topics:Motion in a plane

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JEE Main 2022 · 30 Jun · Shift 1, Physics question 51