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A 5-lb force is applied to the center of the roller at A, causing the assembly to roll. If the roller has negligible mass, determine (a) the angle theta which the 6-lb. uniform rod makes with the vertical during the roll, and (b) the speed of the roller after it moves 4 ft., starting from rest. The roller rolls without slipping, and the rod hangs vertically (theta = 0) when the system is at rest.
horizontal pipe, and the fanning friction factor is f_F = 0.0060. what error in the pressure drop would ensue if the assumption were made that the flow was laminar, abandoning the previous value of the friction factor.
Online professor's response to: Probability problems, A very rich investor has a small amount of spare cash which she wishes to invest. She has four options to choose from.
A pipe carrying oil of specific gravity (SG = 0.877) changes in size from 150 mm at section E to 450 mm at section R (E and R are arbitrary designations of the two points in the system).
Battered piles are used on many construction projects as a permanent part of the element being constructed. Does this construction method have any play in the construction of a temporary earth retention system
If an aerial photograph is taken with this camera tilted angleA=35° at an altitude 5000ft., calculate for the ground distance of the angular coverage 60°.
An investor is considering buying a 20-year corporate bond. The bond has a face value of $1000 and pay 6% interest per year in two semiannual payments. To receive 8% interest, compounded semiannually, how much should be paid for the bond
An object has a mass of 46kg and weighs 450N on a spring scale. Determine the acceleration due to gravity at this location.
A 1.5m diameter barrel (concrete barrel, well-rounded entrance) that is 20 m long is installed on a slope of 2 percent. The design discharge is 9.5 m^3/s and the inlet will be submerged but not the outlet.
A multiple-piston hydraulic jack has two output pistons, each with an area of 250 cm^2. The input piston, whose area is 25 cm^2, is concerned to a lever that has a mechanical advantage of 9:1.
A cylindrical tank with inside diameter of 300mm and wall thickness of 5mm is subjected to an internal pressure of 2Mpa. The tensile stress in mpa in the wall of the tank is mostly near
The density of an ideal gas decreases by 10% when compressed isothermally from 10 atm to 11 atm. Determine the percent decrease in density of the gas if it compressed isothermailly from 1000 atm to 1001 atm.
Compute the maximum acceptable service load on an A36 steel plate tension member 1/4in.x12in. having a single line of holes parallel to the direction of loading. The load is 25% dead load and 75% live load, and 7/8in. diameter bolts are used.
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