A person pulls a box 3m along a ramp using a force of 150N. How much work did the person do? A)450J B)150J C)50J D)3J

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.

Earth's atmosphere is composed of mostly two gases. name the two gases that make up the majority of the atmosphere and use the pie chart to tell the percentages of each.

Why does the liquid rise up through the dip tube when the valve is open