## khanitha 3 years ago A bicycle wheel makes 500 revolutions in moving 22km.find the diameter of the wheel.(take pi=22/7)

1. Mashy

how much distance does it cover in making one revolution?

2. khanitha

is it 22/500?

3. Mashy

yes.. ok next, in general, if a wheel has a radius of say 'r' how much distance it cover in one revolution?

4. khanitha

srry dude donno!!!!

5. Mashy

when a wheel makes one revolution, the distance it covers is equal to its circumference.. so now can you tell?

6. khanitha

2(pi)r=22/500...not sure abt my answer...........

7. Mashy

correct!.. solve to get r and then find diameter

8. khanitha

thank u sooooooooooooooooooooooo much .......!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

9. Mashy

your welcommmmmeeeee.. remember the answer you get will be in km!

10. khanitha

ohhhhh ur very intelligent!!!!!!!!!which grade????

11. Mashy

:D.. i finished my studying :P.. m becoming a physics lecturer from this year :D

12. khanitha

ohhhh congrates abt dat...gd news!!!!!!!!!!!!!!!

13. Mashy

ahh thank you ;-)!