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For a metal that has the simple cubic crystal structure, calculate the atomic radius if the metal has a density of 8.38 g/cm3 and an atomic weight of 57.62 g/mol.
The hydrogen spectrum has a red line at 656 nm and a blue line at 434 nm. What is the first order angular separations between these two spectral lines obtained with a diffraction grating that has 4500 lines per centimeter?
a helical spring of stiffness k is cut into two halves and a mass m is connected to the twonbsphalves as shown below
In the idealized model attached shown, m = 15 kg, k = 135 N/m, and the viscous damping ratio is 0.15. Assume that an external harmonic force F(t) = 15 cos 4 t acts on the system with F0=15 N and forcing frequency of 4 rad/s.
the truck at b is used to hoist the cabinet up to the fourth floor of a building using the rope and pulley arrangement.
steam enters the first-stage turbine shown in fig. 2 at 40 bar and 500degc with a volumetric flownbsprate of 90 m3min.
The system on site is a pressure sand filter, with a service curve. The filter is backwashed using the feed pump, at a higher flow rate, shown as backwash curve. What is the speed of the pump to achieve the service and backwash flow rates ?
A block of metal has a 90 notch cut from its lower surface. The notched part rests on a circular cylinder of diameter 2.0 cm, as shown in Fig. 4.15. If the lower surface of the par is 1.3 cm above the base plane, how deep is the notch?
a steel strut is pinned at both ends. the strut has a solid circular cross section and is 6 m long. the strut
consider an ideal simple gas turbine cycle. for a net power output of 10000 horse power an inlet air temperature of
an airplane is flying at v0130 mph and with a constant time rate of increase of speed v22fts2 when it starts to climb
A luge and its rider, with a total mass of 98 kg, emerge from a downhill track onto a horizontal straight track with an initial speed of 39 m/s.
Energy in the home, personal energy use and home energy efficiency and Efficient use of ‘waste' heat and renewable heat sources
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