Find the speed of a long distance runner who runs 30km in 6 hours

30mi/6hrs is a speed of 5 mph, which converts to a pace of 12 min/mi.

the speed of the long distance runner is 1.38 m/s^2

the earths atmosphere is made up of nitrogen and oxygen. solids can turn into gasses through a process called sublimation. sublimation is the transition of a substance directly from the solid to the gas phase, without passing through the intermediate liquid phase.

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