Question

A bicycle wheel has a diameter of 105cm. What is the length of 1500 revolutions of the wheel in kilometers?

Answer 1

Answer:

it will take 58 kilometers and 750 meters to rotate 1500 wheels

Step-by-step explanation:

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Answer 2

Answer:

• $r = 105 \: cm \: \div 2 \: =52.5 \: cm \: = 0.525 \: m \\ 1 \: rev \: = 2\pi \: r = 2 \times 3.14 \times 0.525 = 3.297 m\\ 1500 \: rev \: = 1500 \times 3.297 = 4945.5m$