Question

a cyclist goes around a circular track once ever 2 minutes if the redius of circle is 105 metre calculate the speed​

Answer 1

Answer:given :-

Radius , r = 105

time t = 2min

= 120 second

we know also

circumference or distance of circle = 2πr

⇒2×22/7×105

⇒ 660 m

∴ speed = distance / time

⇒660 m/ 120

⇒5·5m/s

Answer 2

1. speed/distance
2. 2/150
3. 75