The diameter of a wheel is 1 m. Find the number of revolutions it will make to travel a distance
of 22 km .
Answers
Step-by-step explanation:
hope it will help you bro
7000 revolutions made by wheel of diameter 1 m to cover distance of 22 km.
Given : The diameter of a wheel is 1 m.
To Find : The number of revolutions it will make to travel a distance of 22 km
Solution:
diameter of a wheel = 1 m
Circumference of a circle = π * diameter
Circumference of wheel = π * 1
=> Circumference of wheel = π m
Distance covered in one revolution = Circumference of wheel
Hence Distance covered in one revolution = π m
Let say number of revolutions = n to cover 22 km
1 km = 1000 m
=> 22 km = 22000 m
Distance covered in 1 revolution = π m
=> Distance covered in n revolution = nπ m
Equate Distance
nπ = 22000
use π = 22/7
=> n (22/7) = 22000
=> n = 7000
Hence, 7000 revolutions made by wheel of diameter 1 m to cover distance of 22 km.
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