Question

the diameter of a wheel is 70cm how much the distance covered by 30 revolutions

Answer 1

Answer: Distance covered will be=Number of revolutions × Circumference  

Radius of wheel =  

2

70

​

=35 cm

Distance covered in 5 revolutions will be  

D=5×2π×5=50π=50×  

7

22

​

=157.14m

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