Question

A circular track has a circumference of s m with AB as one of its diameter. A scooterist moves from A to B along the circular
path with a uniform speed of v m/s.
Find the expression for
(i) the distance covered by the scooterist
(ii) the displacement of the scooterist and
(iii) time taken by the scooterist in reaching from A to B.
a
2nr (m), 0, (5)
275 (m), 0,75
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Answer 1

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