Question

A body covers a distance of 5m along a semicircular path. The ratio of distance to displacement is ??

Answer 1

It travels semicircular path

Distance = πr

5 = πr

r = 5/π

Displacement = Distance between initial position and final position

= 2r

= 2 * 5/π

= 10/π metres

Ratio of distance to displacement

= 5 / (10 / π)

= π/2

= 11/7

= 11 : 7

Answer 2

It travels semicircular path

Distance = πr

5 = πr

r = 5/π

Displacement = Distance between initial position and final position

= 2r

= 2 * 5/π

= 10/π metres

Ratio of distance to displacement

= 5 / (10 / π)

= π/2

= 11/7

= 11 : 7

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