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determine the force in member AC, FH, and FG and indicate if the member is in tension or compression. List all zero force members.
A survey of similar facilities indicates that one parking space must be provided for every one employee and that 60% of all automobiles driven to work are compact automobiles, six percent of the spa
If rod slides along the horizontal slot with a velocity of 44 ft/s , determine the angular velocity of link BC at the instant
A water treatment plant with a maximum daily flow of 4.4 m3/s is treating surface water with a minimum ambient temperature of -1°C (30°F). The water is coagulated with alum and the alum floc
what value for Fy are the two forces F1=4i+Fyj+20K(N) and F2=8i-5j+7k(N) perpendicular to each other
The number of parking tickets issued in a certain city on any given weekday has a Poisson distribution with parameter = 50. What is the approximate probability that 1 between 35 and 70 tickets are
A particularly long traffic light at an intersection is green 20% of the time. A car approaches this intersection once each day. Let X represent the number of days the car encounters a green light.
The cart has a velocity of 4 ft/sec to the right. Determine the angular speed N of the wheel so that point A on the top of the rim has a velocity (a) equal to 4 ft/sec to the left, (b) equal to zero
a stream f gas flowing at 3000 cfm has a particulate loading of 50gr/ft what is the allowable exit loading if 95 % collection efficiency is required. what is the mass of the particles collected
Assume for your calculations that each member is in tension, and include in your response the sign of each force that you obtain by applying this assumption.
Swimmer A immediately starts walking toward B at a speed of 2ft/s relative to the raft. Knowing that the raft weighs 300 lb, determine (a) the speed of the raft if B does not move, (b) the speed wit
Suppose a watershed in Athens, Georgia has 25 acres pasture (CN=70) and 50 acres wooded (CN=55). Determine the excess rainfall (in inches) and runoff volume (cubic feet) assuming the design rainfall
The bar is confined to move along the vertical and inclined planes. The velocity of the roller at A is Va=5.2 ft/s when theta=40 . a)Determine the bar's angular velocity when theta=40. b)Determine t
Determine the preconstruction and post construction vertical stress imposed on the soil at a point 2 m below the center of the foundation area (assume westergaard conditions applied)
Design the pins so that the ledge can support Doug and Jeremy and eight others on each side of the building. Assume each person weighs 200 lbs.Pin properties: Ultimate shear strength = 100 lb/in^2
For a flow of 2 MGD, an influent BOD of 200 mg/l, a depth of 8 feet, and a desired effluent BOD concentration of 20 mg/l, determine the volume required for trickling filtration treatment as predicte
Consider a $50000, 30 years loan at 12% APR with monthly uniform payments. What portion of the 263rd payment goes towards reducing the principal and what portion is interest
The first alternative is deep-well pumping at an annual cost of $10500. The second alternative is to instal an 18 inch diameter pipeline from a local surface reservoir at a first cost of $25000 and
calculate the: 1) molar concentration of metal ion in the stock coagulant solution; 2) coagulant feed rate (into the process water flow stream) in units of L/day and L/min; 3) alkalinity consumed (i
A trapezoidal channel has a bed width of 3.5 m and a side slope of 30 degrees from the horizontal. Determine the critical depth and the critical velocity for a flow of 22 cubic meters per second.
A wheel has an angular acceleration of alpha=(0.5*theta) rad/s^2 , where theta is in radians. a) Determine the magnitude of the velocity of point P located on its rim after the wheel has rotated 2 r
When the gear rotates 18 revolutions, it achieves an angular velocity of omega= 40 rad/s , starting from rest. Determine its constant angular acceleration the time required.
The flywheel rotates with an angular velocity of omega = (4*theta^(1/2)) , where theta is in radians. Determine the time it takes to achieve an angular velocity of omega = 190 rad/s . When t = 0, th
Lane widths are 12ft and the superelevation is .006 and was set assuming maximum fs. If the necessary sight distance required 52ft of lateral clearance from the roadway center line, what design spee
During a 60 minute storm the following amounts of rain fell during successive 15 minute intervals: 33mm, 23mm, 15mm, and 5mm. What is the maximum intensity