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Every year the Earth travels about 109km as it orbits the Sun. What is Earth's average speed in km/h?

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wluo329
109km per year seems strangely low, but oh well.

Convert years to hours.
1yr * 365days * 24hrs = 8760 hrs

You have all the data needed.  Divide by the following:
109km/8760hr = 0.01244 km/hr




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