if the diameter of wheel of a car is 35cm what is the distance covered in km in 4000 revolution also find how many revolution it would take to cover a distance of 1.474 km
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Diameter of wheel = 35 cm
Radius of wheel = 35/2 cm
Circumference = 2* 22*35/7*2
= 22*5
= 110 cm
Total Distance covered = No. Of revolution *Circumference of wheel
= 110* 4000 cm
= 110 * 40 m
= 4400 m
= 4.4 km
Now,
In second case,
Distance = 1.474 km = 147400 cm
No. of revolution = 147400 / 110
= 1340
Radius of wheel = 35/2 cm
Circumference = 2* 22*35/7*2
= 22*5
= 110 cm
Total Distance covered = No. Of revolution *Circumference of wheel
= 110* 4000 cm
= 110 * 40 m
= 4400 m
= 4.4 km
Now,
In second case,
Distance = 1.474 km = 147400 cm
No. of revolution = 147400 / 110
= 1340
Anonymous:
wrong
What is wrong
answer is 8.8km and 670revolutins
it may be wrong
but I think my solution is correct
no
if anything is wrong in solution you can tell
where is mistake
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