The 2 kg object moving at 5 m/s in the previous problem falls off the edge of a table 1.2 meters above the ground. Determine the total mechanical energy of the object at the time it falls.

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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the answer to this is proletariats.

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according to jean piaget, in what stage of cognitive development are children able to understand conservation task?

b. preoperational

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