Question

bicycle wheel makes 5000 revolution in moving 11 kilometre find the diameter of wheel in cm​

Answer 1

Answer:

11 km = 11000 m

In 5000 revolutions it goes 11000 m

So in 1 revolution it goes = 11000/5000 = 11/5 m

1 revolution means circumference of the wheel*

Hence 2πr = 11/5 m where r is the radius of the wheel.

So, 2r = 11/5π = 11*7/5*22 = 0.7 m = 70 cm

Answer 2

Answer:

0.7 = 70 cm

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