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A particle P moves so that its position vector r satisfies the differential equationr·= c ? r,
where c is a constant vector. Show that P moves with constant speed on a circular path.
[Hint. Take the dot product of the equation first with c and then with r.]
What is the pressure, in kPa, at the bottom of a column of ethyl alcohol (density = 785 kg/m3) that is 20m tall
you are to design a balloon capable of lifting 200 kilograms the mass of the gas in the balloon must be 200 kilograms
two brass rods used as compression members each of 6-ft effective length have the the same cross sections.theround rod
What fraction of the particles would be removed from the gas stream
Effective area of a monopole. The receiving antenna in an AM car radio is 1 m long monopole, vertical above the body of the car. AM reception is between 520 kHz and 1.6 MHz. Calculate the effective area of the antenna at the two extremes of the fr..
argon gas enters a adiabatic compressor at 20psia and 90 f with a velocity of 60 fts and it exits at 200 psi and 240
a container with volume 213 cubic cm is heated and allowed to expand to 1.44 times the original volume. as the
an automobile is modeled as a single-degree-of-freedom system vibrating in the vertical direction. it is driven along a
a closed tank contains water and heating oil sg0.96 and is completely full of the two liquids with no air space at the
Water in a vertical piston cylinder is heated at constant pressure of 10 bar. It is initially at 179.9 0C and has a specific volume of 0.1 m3/kg and is heated to a final specific volume of 0.248 m3/kg. Changes in kinetic and potential energies are ze..
How does this estimate differ from the estimates made in problem 4.11? Repeat for columns 2 and 3. Why do the estimates vary for each data set? Discuss these outcomes in terms of what you might expect from finite statistics if these are measuring the..
during a steady flow processdry saturated steam at 450 psia expands in a turbine to 10 psia. the mechanical efficiency
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