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Mass, string, and ring* A mass m whirls around on a string which passes through a ring, as shown. Neglect gravity. Initially the mass is distance r0 from the center and is revolving at angular velocity ω0. The string is pulled with constant velocity V starting at t = 0 so that the radial distance to the mass decreases. Draw a force diagram and obtain a differential equation for ω. This equation is quite simple and can be solved either by inspection or by formal integration. Find
Write a term paper on Tooling design for composite manufacturing - how tooling is designed for different applications to make composite airplane parts and such.
a diesel cycle works on compression ratio of 18 and temperature at the start of compression is given as 300k. take cut
a heat exchanger is to cool ethylene glycol cp 2.56 kjkg degree c flowing at a rate of 3.2 kgs from 80 degree c to 40
a small mechanical part in a complicated machine moves such that its position relative to a fixed frame of reference is
the tank on the right weighs 920 n empty and contains 1.1m3 of water at 20degc. the entrance and exit pipes are
The impeller of a centrifugal pump has inner and outer diameters of 14 and 37cm, respectively, and a flow rate of 0.18m3/s at a rotational speed of 1200rpm. The blade width of the impeller is 8.6cm at the inlet and 3.5cm at the outlet.
An air heater may be fabricated by coiling Nichrome wire and passing air in cross flow over the wire. Consider a heater fabricated from wire of diameter D=1 mm, L= 2m, electrical resistivity rho=10^-6 ohms, thermal conductivity k=25W/mK, and emiss..
a pump supplies oil at 20 gpm to a 2 in diameter double-acting hydraulic cylinder. if the load is 1000lbsextending and
an unotched rotating circular rod is subjected to a fluctuating bending load that causes the bending stress to vary
Draw Bending Moment (BM) and shear force diagram for the beam AB - Perform a structural analysis using Creo3.0 simulate for the Steel beam
an elevator weighs 1000lb and carries a load of 600 lbs and decends at 20fts. the cable that supports the elevator has
the blood pressure is measured using a sphygmomanometer. the systolic pressure pressure when the heart is pumping and
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