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The image shows a pendulum in simple harmonic motion the pendulum starts at a and swing to e

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.

Wind and moving water provide energy. question 1 options: chemical mechanical thermal none of the above