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A particle of mass m moves under the gravitational attraction of a fixed mass M situated at the origin.
Take polar coordinates r, θ as generalised coordinates and obtain Lagrange's equations. Show that θ is a cyclic coordinate and find (and identify) the conserved momentum pθ.
a brinell hardness measurement is made on a nickel alloy using a 0.01 m diameter sphere of tungsten carbide. a load of
An autoclave contains 1000 cans of pea soup. It is heated to an overall temperature of 100°C. If the cans are to be cooled to 40°C before leaving the autoclave, how much cooling water is required if it enters at 15°C and leaves at 35°C? The speci..
Performing simple calculations and analysis on the collected data and comparing these values to theoretical predictions - provide a general indication of the performance of a 4 stroke petrol engine, and involves applying incrementally increasing lo..
Calculate the force required to push liquid oil, with the density of 890 kg/m^3, through a 1 mm diameter hole. Account for viscous forces and please show all work.
Design a ceiling diffuser. Air flows in the duct behind the diffuser and enters the diffuser at a pressure of 12.8psia, and a velocity of 200in/sec. The outlet of the diffuser is in the room, with atmospheric pressure of 14.5 psi. For the comfort of ..
The loads on a simple beam consist of n equally spaced forces (see figure). The total applied load is P; therefore, each force is equal to Pin. The length of the beam is L; hence the spacing between loads is LI(n + 1).
the measured lapse rate at a given location was 3.8 degree f per 1000 ft and the surface temperature was 60 degree f.
saturated water vapor at 400 f is heated at constant pressure until its volume is doubled. determine the final
Repeat this estimate for the average American diet (the typical American gets two-thirds of his or her calories from meat and one-third from grain)
Air flows isentropically through a convergent-divergent passage with inlet area 5.2 cm^2, minimum area 3.2cm^2 and exit area 3.87 cm^2. At the inlet the air velocity is 100m/s, is 680 kPa, and temperature 345 K.
determine the minimum no of teeth required on pinion in order to avoid interference which is to gear with 1 a wheel to
air is compressed by an adiabatic compressor from 100 kpa and 20 degc to 1.8 mpa and 400 degc. air enters the
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