CBSE Class 9 Answered
A body covers a distance of 5m along a semicircular path from its one end to another end .Then the ratio of its distance covered to its displacement is
Asked by tm.sivanetra | 05 Jun, 2020, 08:14: PM
Expert Answer
Let R be the radius of semi-circular path as shown in figure.
Displacement in semi circular path is diameter (d)= 2R
distance covered in semi circular path = ∏R
It is given that the distance covered by the body to complete semicircular path is 5 m
This means,
distance, 5 = ∏R
Hence,
R = 5/∏ ... (1)
Now,
displacement = 2R = 2( 5/∏) = 10/∏
ratio of distance covered to displacement is,
Answered by Shiwani Sawant | 05 Jun, 2020, 09:57: PM
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