The kinetic energy of an object is equal to the?

What is the earliest point in the universe that we can observe? why can’t we see back further than this?

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Use the profile illustrated for problem (1). assume that the layer of silty sand fill (sm) is placed over the entire site. estimate the thickness of the fill (h - in feet) that will cause the effective vertical stress at the center of the clay layer to increase by 517.5 pounds per square foot.