A man is running with constant speed along a circular path of radius 2 √ 2, m . He completes 1 rou

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3-2.Motion in Plane

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A man is running with constant speed along a circular path of radius $2 \sqrt 2\, m$. He completes $1$ round in $10\, second$. Find instantaneous speed at $2.5 \,sec.$

A$\frac{\sqrt 2 \pi}{5} m/s$

B$\frac{2 \sqrt 2 \pi}{5} m/s$

C$\frac{2 \sqrt 3 \pi}{5} m/s$

D$\frac{5 \sqrt 2 \pi}{5} m/s$

Solution

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Standard 11

Physics

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