Question

a cyclist goes around a circular track once every 2 minutes if the radius of the track is 110m. Calculate the speed of the cyclist

Answer 1

Hey friend, your answer is below...

Radius , r = 110

Time t = 2 min  = 120 second .

Circumference = 2πr.

⇒2×22/7×110

⇒ 691 m  approx.

∴  Speed = Distance /Time  

⇒691 m/ 120

⇒ 5·75 m/s.  Answer...

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Answer 2

Answer:

R=110m.

Circumference=2*pi*r*=2*3.14*110

=690.8m

t=2minute=120second

speed=690.8/120=5.7566667~5.75m/s.

Explanation:

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