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A 5cm-diameter horizontal jet of water with a velocity of 40m/s relative to the ground strikes a flat plate that is moving in the same direction as the jet at a velocity of 10m/s. The water splatters in all directions in the plane of the plate. How much force does the water stream exert on the plate?
For plain carbon steel and convection (h=50 W/m^2 K) to air at 500K, Ti=300k, with a slab geometry 0.2 m thick (2L), find Boat Number. For a Fourier number (based on l=0.1m) of 0.1, is the tearm series valid? Find the time
In the TWA Flight 800 tragedy the accident is blamed on explosion of fuel vapors in the central fuel tank. The volume of the central fuel tank is 18,000 gal. For jet fuel the energy of explosion is 18,590 Btu/lb and the molecular weight is 160.
The steel pipe is filled with concrete and subjected to a compressive force of about 250 kN, figure 4. Determine the average compressive stress in the concrete and in the steel
An automobile is bought for 10,000 $ from which a 1,100$ trade in is deducted. Thirty six equal payments of 310$/month are paid on the first of the month. Determine the annual rate of interest charged.
One kilogram of air as an ideal gas executes a Carnot power cycle having a thermal efficiency of 60%. The heat transfer to the air during the isothermal expansion is 40 kJ. At the beginning of the isothermal expansion, the pressure is 700 kPa and the..
Air at a stagnation pressure 700kPa flows isentropic ally through a convergent-divergent nozzle. The design pressure at the nozzle exit is 56 kPa. If the back pressure is raised gradually, thereby creating a shock in the divergent portion of the nozz..
the refrigerator steadily receives a power input of 0.15 kw while rejecting energy by heat transfer to the surroundings
a conveyor belt rises at a thirty degree angle. its vertical hight measured from the ground is 20 ft sorry i cant seem
a rod of circular section with radius of 20mm and 1m long is subjected to a compressive force of 300 kn. if the
A simple plate capacitor can store 6.5x10^-5 C at a potential of 10000 V. what dielectric constant must the material between the plates have if their area is 6.0x10^-5 m2 and they are 0.16 mm apart?
an alcohol solution contains 6 by mass ethanol. this solution is fed to a distillation column at a rate of 1000 kgh.
Air expands isentropically from 1.5 MPa and 60 C (centigrade) to 0.4 Mpa. Calculate the ratio of the initial to final speed of sound.
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