An object is moving in a circle of radius 100 ,m with a constant speed of 31.4 ,m/s . its average sp

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3-2.Motion in Plane

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An object is moving in a circle of radius $100 \,m$ with a constant speed of $31.4 \,m/s$. What is its average speed for one complete revolution ......... $m/s$

A$0$

B$31.4 $

C$3.14$

D$\sqrt 2 \times 31.4$

Solution

(b)As the speed is constant throughout the circular motion therefore its average speed is equal to instantaneous speed.

Standard 11

Physics

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