Question

A bicycle wheel make 1000 revolutions in moving 2.2 km find the radius of wheel

Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

Given - Number of revolutions: 1000

Distance covered: 2.2 kilometres

Find - Radius of wheel

Solution - 1000 revolutions cover the distance of 2.2 kilometres

So, distance covered by 1 revolution = 2.2/1000

Therefore, distance covered by 1 revolution = 0.0022 kilometres.

Distance covered = 0.0022*1000

Distance covered = 2.2 metres

Now, the distance covered is equal to the circumference. The formula for circumference = 2*π*r. Here r represents radius.

Hence, 2.2 = 2*3.14*radius

radius = 0.35 metre

Therefore, the radius of the circle is 0.35 metres.