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The diameter of a wheel on Harry’s bicycle is 0.65 m.

Harry cycles 1000 metres.

(b) Calculate the number of turns the wheel makes.

 Feb 26, 2020
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Each revolution  that  the wheel  makes  it  will travel   2pi (diameter  / 2)  =   pi*diameter  = .65*pi

 

So.....the  number  of revolutions turned in  1000m  =

 

1000 / [ pi * .65  ]   ≈  489.7  revs

 

 

cool cool cool

 Feb 26, 2020

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