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Imagine a set of three N2 molecules frozen in a crystal so that no rotation or translation can occur. But there is energy in vibration, which totals E = 3ve , where the vibrational constant
e = 2358cm-1 . If we apply the equipartition principle to this sample, what temperature would give this energy?
let us consider a solar powered water heater. the solar collector surface is coated with black chrome whose emissivity
A voltage signal is produced by a transducer. The signal contains its strongest frequency component at 50 Hz (amplitude = 5.0 V), plus a weaker component at the second harmonic (100 Hz) with amplitude 2.0 V. In addition, there is noise at 60 Hz with..
a pneumatic displacement gage is to be used to measure displacement between 0.1 and 0.2 mm. the output of the device is
The temperature of the water drops to 260 F as a result of heat transfer to the surroundings. Determine the final pressure in the tank?
A horizontal platform rests on four vertical springs, each of stiffness 15kN/m and mass 0.25kg. what will the frequency of oscillation of the table be if it has a mass of 2.okg
an ideal diesel cycle with air as the working fluid has a compression ratio of 22 and a cutoff ratio of 2.5. at the
steam enters an adiabatic turbine at 8 mpa and 520 degc with a volumetric flow rate of 0.8 m3s and exits at 30 kpa. the
Choose the beam dimension a to reduce the deflection to below 1cm whilst minimising the mass of the beam.
Calculate the density of air inside a house and outside a house using 20°C inside and -25°C outside. Use an atmospheric pressure of 85 kPa. Do you think there would be a movement of air from the inside to the outside (infiltration), even without a..
The schematic diagram of a centrifugal governor is shown in Fig. 2.70. The length of each rod is l, the mass of each ball is m, and the free length of the spring is h. If the shaft speed is ω determine the equilibrium position and the frequency fo..
a refrigerant 134a at 140 kpa and -10 degree celcius is compressed by an adiabatic 16kw compressor to an exit state of
the unit cells of several orthorhombic crystals are described below. what is the bravais lattice of each and how do you
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