Hey!!! Maths genius ??
The diameter of a Bullock cart wheel is 14/3 metres . This wheel makes 10 complete revolutions per minute . What would be the speed of the cart in kilometres per hour ???
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The diameter of a Bullock cart wheel is 14/3 metres . This wheel makes 10 complete revolutions per minute . What would be the speed of the cart in kilometres per hour ???
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Answer:
diameter = 14/3
radius = 7/3
As it makes 10 complete revolution per minute
so distance traveled per minute = 2pie r × 10
= 20 pie r = 20× 22/7 × 7/3 = 146.6
Now speed = distance/time
So 146.6m in 1 minute
146.6/1000 / 1/60 km/h
146.6× 60/1000
8.79 km/h