A car travels half of a circle of radius r along the circular path. What is the ratio of distance travelled by it to its displacement?
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In a half revolution,the distance travelled by car=Circumference/2=
2πr/2=πr
Displacement= shortest distance between initial and final position=diameter of circular path=2r
therefore,
Displacement/DISTANCE=
πr/2r=π/2
2πr/2=πr
Displacement= shortest distance between initial and final position=diameter of circular path=2r
therefore,
Displacement/DISTANCE=
πr/2r=π/2
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