An object of mass 0. 25 kg moves in a horizontal circular path of radius 3. 3 m with constant speed 18 ms-1. What is the object’s angular velocity (in rad s-1)?.

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.