how many revolutions will the wheel of a bicycle make to cover a distance of 4.4 kilometre if its diameter is 70 cm please give answer step by step answer pata hai to mat do let others give answer whomsoever knows and while giving answers give step by step
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Answer:
2000
Step-by-step explanation:
Total distance to be travelled = 4.4 km
= 4400 m
Diameter of wheel = 70 cm = 0.7 m
Radius of wheel= 0.7 / 2 m
Circumference of wheel = 2 * pi *r
= 2* 22*0.7 / 7* 2
= 22*0.1
= 2.2 m
No. Of revolutions = Total distance / Circumference of wheel
= 4400 / 2.2
= 2000
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