1.For a narrow horizontal rectangular beam of width b and depth h (cross section), determine a) what is the vertical shear stress distribution (tau)xy at each point y along the cross section, b) draw the (tau)xy stress distribution on the y direction along the cross section, c) draw the horizontal shear stress distribution (tau)yx on the y direction along the cross section
2.A tank measuring 10 feet by 10 feet by 10 feet is completely filled with water. If a 4-inch diameter, square edged orifice is located 1 foot above the bottom of the tank (to orifice center) what is the discharge? a).0.2 cfs b).1.3 cfs c).3.1 cfs d).5.3 cfs
3.Springs AB and CD have a stiffness of k = 300 N/m and k' = 200 N/m, respectively, and both springs have an unstretched length of 600 mm. If the 2-kg smooth collar starts from rest when the springs are unstretched, determine the speed of the collar when it has moved 200 mm.
4.Explain how medical technologies and the pharmaceutical industry are driving healthcare service demands and costs? What are the cost/benefits of this trend?