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A pipe of 20 cm diameter is carrying a discharge of 0.1 m3/sec. If the diameter of the pipe is reduced to 5 cm at its end, calculate the velocity and velocity head at the pipe outlet.
A ring with radius R has a total charge Q uniformly distributed around it. To leading order, find the electric field at a point along the axis of the ring, a very small distance z from the center
An energy management system that can save 7,500 per year for four years, expenses are 2,000 per year, installed at a cost of 20,000. At the end of 4 years it is expected to be sold for 1,250. using the end of year convention, the rate of retur..
Give the structures of two different aromatic compounds that could be used to synthesize benzene-1,2-dicarboxyclic acid
A hypodermic syringe is attached to a needle that has an internal radius of 0.304 mm and a length of 3.05 cm. What force must be applied to the plunger, which has an area of 1.05 cm2
Prepare a flowchart of a typical job order system with arrows showing the flow of costs and prepare separate journal entries for each type of manufacturing cost.
Use Coulomb's law to calculate the ionization energy in {\rm kJ/mol} of an atom composed of a proton and an electron separated by 80.0 pm
a. Given the following chart and information fill in the missing values. Please write on a separate sheet. Note that r = $50 and w = $100. Use a price of $5.50.
Create a Microsoft Word table that identifies the advantages, disadvantages, computer requirements, initial costs, and future savings for an organization considering an engagement in virtualization.
Sorbic acid, CH2CHCHCHCH2CO2H (pKa= 4.77), is widely used in the food industry as a preservative. For example, its potassium salt (potassium sorbate) is added to cheese to inhibit the formation of mold. What is the pH of the 0.37 M potassium sorba..
A car of mass m = 1470 kg is pushed off a cliff of height h = 23 m. If the car lands a distance of 7 m from the base of the cliff, what was the kinetic energy of the car
A 303 turn solenoid has a radius of 5.00 cm and a length of 22.0 cm. Find the inductance of the solenoid
A dolphin located in seawater at a temperature of 25 °C emits a sound directed toward the bottom of the ocean 200m below. How much time passes before it hears an echo.
What are some applications for fiber optics and What are some of the various types of information that can be transmitted
As a baseball is being caught, its speed goes from 31 to 0 m/s in 0.005 seconds. The mass of the baseball is 0.145 kg. What is the force acting on the ball
A stone is dropped from rest from the roof of a 100-m high building; 2.00 s after that, a second stone is thrown straight down with initial speed v0, and the second stone passes the first stone 21.6 m above ground. What are the speeds of the two s..
A spring of k=12.00 N/m has a block of mass 11- kg attached to it on a frictionless table. If the block is pulled a distance 0.17m to the right and released from rest, how long would it take the block to return to its equilibrium position? Give yo..
Ice water is heated to boiling in a 500mL beaker. The beaker's temperature from 0 oC to 100 oC. What is the change in volume of the beaker
A 5.0-kg projectile is fired over level ground with a velocity of 200.0 m/s at an angle of 30.0 ° above the horizontal
A mirror has a focal length of 10 cm. An object is located 15 cm to the left of the mirror. What is the total magnification for the two images
a 5.0 kg dog sits on the floor of an elevator that is accelerating downward at 1.20 m/s^2 , find the magnitude of the force of the dog on the elevator floor
A 0.300 kg hammer is moving horizontally at 6.00 m/s when it strikes a nail and comes to rest after driving it 1.00 cm into a board. Calculate the duration of the impact
You sing into a well and find that the well resonates at frequencies of 198 Hz and 234 Hz with no resonances between these two frequencies. What is the frequency of the fundamental mode
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