The parking brake on a 1000 kg Cadillac has failed, and it is rolling slowly at 1.00 mph, towards a group of small children. Seeing the situation you realize you have just enough time to drive your 2000 kg Volkswagon head on into the Cdillac and save the children. With what speed should you impact the Cadillac to bring it to a halt?

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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as we know our atmosphere or air have different levels. every level has other gasses, and every gas has another permeability. when the light comes from lower permeability to higher permeability, it changes its direction. so that means that when the light comes from the moon to the earth, it changes it's direction many more times. it basically means that the shape of the light part of the moon is changed on the earth.

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part 1: which substance has a higher solubility?

a

smallest amount left undissolved atall temps in table shown most has dissolved high sol'by