Question
Download Solution PDFA wheel has diameter 84 cm. The number of complete revolutions it will take to cover 792 m is:
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFDiameter of wheel = 84 cm
Radius of wheel = 42 cm
Circumference of wheel = 2πr
Distance = 792 m = 79200 cm
Number of revolutions, n = distance/2πr
⇒ n = 79200/ {2 × (22/7) × 42}
∴ Number of revolutions, n = 300
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