Question

A boy cycled 3 rounds in a circular path of radius 35 m. Find his distance and displacement.​

Answer 1

Answer:

Distance = 3 x circumference = 3 x 2$\pi$R = 3 x 2 x 22/7 x 35

                                                                  = 6 x 22 x 5

                                                                  = 660 m

Displacement = 0 m

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Answer 2

In one complete cycle, it comes back to its initial position, so the displacement of the object is zero.

Distance travelled = circumference of the circle = 2πr

                                                                               =2×  

7

22

​

×3.5

                                                                               =22m