Question

a body covered a distance of L metre along a semi-circular path. Calculate the magnitude of displacement of the body, and the ratio of distance to displacement.

Answer 1

Let r be the radius of the semicircular path
Since L is the distance along the semi-circular path,
=> L = πr
=> r = L/π
Therefore,displacement of the body = 2(r)
                                                          = 2L/π
So,the ratio of distance to displacement = L : 2L/π
On canceling both the L,we get:-
Ratio of distance to displacement = π : 2

Answer 2

Answer:

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