Question

a cyclist goes around a circular track once every 3 minutes the radius of the circular track is 1.5 metres calculate his speed​

Answer 1

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Given :-

Radius of circular track, r = 105 m

Time taken, t = 2 min = 2 × 60 = 120 seconds

To Find :-

Speed.

Formula to be used :-

Circumference of circle = 2πr

Speed = Distance/Time

Solution :-

Putting all the values, we get

Circumference of circular track = 2πr

⇒ Circumference of circular track = 2 × 22/7 × 105

⇒ Circumference of circular track = 660 m

Now,

Speed = Distance/Time

⇒ Speed = 660/120

⇒ Speed = 5.5 m/s

Hence, the speed is 5.5 m/s.

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Answer 2

Answer:

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Explanation:

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