Question

Q14. A circular track has a circumference of 3140 m with AB as one of its diameter. A
scooterist moves from A to B alone the circular path with a uniform speed of 10 m/s. Fin
(a) distance covered by the scooterist,
(b) displacement of the scooterist, and
(c) time taken by the scooterist in reaching from A to B.​

Answer 1

Explanation:

2πr = 3140 m

2 × 22\7 × r = 3140

from this you can calculate r

after calculating r

(a) distance covered by scooterist = πr

(b) displacement = diameter = 2r

(c) time taken = distance ÷ time = πr ÷ 10

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Answer 2

See this. Completely solved.