CBSE Class 10 Answered
Question
Asked by arindeep.singh | 09 Jan, 2021, 12:15: PM
Expert Answer
Diameter of the wheel = 140 cm
Radius of the wheel is = 70 cm =0.70 m
The circumference of the wheel is
=2x3.14x0.7=4.4m
Distance to be covered in 1 min= 66x1000/60=1100m
number of revolution= distnce/ circumference
number of revolution=1100/4.4
Number of revolutions per min is 250
Answered by Utkarsh Lokhande | 11 Jan, 2021, 05:08: PM
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