Abullet travels at 870 m/s. how long will it take to travel 1 m?

moving ball hits still ball. mover stops, hit ball moves. momentum transfer.

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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