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The homogeneous gate shown consists of one quarter of a circular cylinder and is used to maintain a water depth of 4m. That is, when the water depth exceeds 4m, the gate opens slightly and lets the
Design and implement a set of classes that define various types of electronics equipment (computers, cell phones, pagers, digital cameras, etc).
A first order reaction is employed in a destruction kind of a certain kind of microorganism. ozone is used as the disinfectant and the reaction is found to be dC/dt=-kC. where C is the concentration
An equals method is supposed to provide an equivalence relation among the objects of a class. this means that if a, b, and c are non-null objects of the class then.
A mixture containing 45 wt% benzene and 55 wt% toluene is fed to a distillation column. An overhead stream of 95 wt% benzene is produced, and 8.0 % of the benzene fed to the column leaves in the bot
the level of water in a city water tower is 125ft. above the ground. The tank is kept with an air space which can be pressurized with compressed air. It is important to maintain a pressure at the bo
A 3 m long curved gate is located in the side of a reservoir containing water. Determine the magnitude of the horizontal and vertical components of the force of the water on the gate.
A marble on the end of a massless string is rotating about a hole at O on a flat(horizontal) frictionless table. The mass originally rotates with an angular velocity theta'=w0 and r is constant at r
A carpenter uses a hammer to strike a nail. Approximate the hammer's weight of 1.8lbs, as being concentrated at the head, and assume that at impact the head is traveling in the -j direction.
Design a single cyclone (Swift Conventional) to handle 20,000cfm (at 250F and 1atm) of air contaminated with the particles : Particulate density =1200 kg/m^3 gas density = .90 kg/m^3
A particle is traveling in a straight line at a constant speed of 22.9 m/s. Suddenly, a constant force of 10.7 N acts on it, bringing it to a stop in a distance of 63.6 m.
a block of mass m is on an inclined plane that makes angle from the horizontal plane. the coefficient of friction between the plane and the block is µ. find the point where the normal reaction
When stationary, vehicles are spaced at average distance headway of 6 m. It may be assumed that there is a linear relationship between speed and density. When the traffic flow approaching the roadwo
Design a GUI program that calculates a car's gas millage. The program's window should have text boxes that let the user enter the number of gallons of gas the car holds, and the number of miles it c
Create a 3 dimensional array. The array should be initialized to zeroes. Create a program that will accept entries for ship locations. Ships will have to have the same Z value.
Determine at least five advantages and five disadvantages of using bytecode or Intermediate Language (IL) in computer applications.
A 5-micron droplet of water is being carried in standard air toward a 500-micron drop of water at a relative velocity of 40m/s. Will the two drops collide
Discuss the similairities and differences between memory management compaction and disk compaction.
A gas stream with a particulate loading of 20.0g/m^3 is passed through a 70%-efficient cyclone followed by a 95%-efficient ESP. Calculate the overall efficiency of the system.
A foot valve for a pneumatic systemis hinged at B. Knowing that a=28degrees, determine the moment of the l6-N force about point B by resolving the force into horizontal and vertical components
Restrictions in landing slots at Heathrow airport in London allowed the purchase of five landing/takeoff slots, one per weekday (Monday through Friday). The carrier does not intend to offer weekend
A first order reaction takes place in a batch reactor to remove an undesired contaminant (compound A) from a drinking water. The rate constant = 2.0 per day. The initial concentration = 75mg/L.
Evaluate how well the design of the First IB web site meets the needs of a potential small business customer.
A 50 meter wide rectangular channel is carrying a flow of 250 m3/s at a flow depth of 5 meters. To produce critical flow in this channel, determine a.) the height of the step in the channel botom if
A bicyclist leaves from her home at 9am and rides to a beach 40 miles away. Because of a breeze off the ocean, the temperature at the beach remains 60 degrees F throughout the day.