Example 3 : A circular track has a circumference of 3140 m with AB as one of the
diameters. A scooterist moves from A to B along the circular path. Find his distance
and displacement. What will be displacement if he covers three quarters of the
circle ?
[Similar to NCT 2006 Question]
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Answer:
Circumference=3140m
Speed=10m/s
a) Distance of scooter = circumference / 2
=3140/2
=1570m
b) Displacement of scooter = AB
=circumference/π
=3140/3.14
=1000m
c) Time taken = distance / speed
=1570/10
=157s
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