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Pendulum on moving pivot A pendulum is at rest with its bob pointing toward the center of the Earth. The support of the pendulum is moved horizontally with uniform acceleration a, and the pendulum starts to swing. Neglect rotation of the Earth. ∗ ∗ Re a θ0 d Consider the motion of the pendulum as the pivot moves over a small distance d subtending an angle θ0 ≈ d/Re 1 at the center of the Earth. Show that if the period of the pendulum i
Determine the additional force and moment reactions at the base O caused by the addition of the three 100-lb traffic signals B, C, and D. Report your answers as a force magnitude and a moment magnitude.
Consider the financial database. Are the average earnings per share for companies in the stock market less than $2.50? Use the sample of companies represented by this database to test that hypothesis. Let a = .05. Test to determine whether the a..
a diffuser for an incompressible inviscid fluid of density ? 1000 kgm3 consists of a diverging section of pipe. at the
a 3850lb sports car drivers weight included driving along a horizontal rectilinear stretch of road goes from 0 to 62 in
A very large vertical steel plate that is 1 cm thick is inductively heated with internal heat generation rate of 2x10^9 W/m3 . The plate is initially at 20°C, and the left and right surfaces are kept at 20°C throughout the heating process.
calculate the mass concentration in microgm3 of a mono-dispersed aerosol with dp 10.0 micron rhop 2.1 g cm-3 and n
To Verify the law for parallelogram of forces, law for triangle of forces and law of polygon of forces. These laws are very useful to calculate unknown forces in very short time.
1 for a separations process it is necessary to determine the vle compositions of a mixture of ethyl bromide and
at steady state a device receives a stream of saturated water vapor at 210 degrees c and discharges a condensate stream
An ideal gas, with temperature independent Cp=(7/2)R, at 15c and having an initial volume of 60m^3, is heated at constant pressure (P=0.1013 MPa) to 30c by transfer of heat from a reservoir at 50c. Calculate delS(gas), delS(heat reservoir), delS(univ..
a particle moves along the curve yx2 - 4m with a constant speed of 5 ms. determine the point on the curve where the
If an airflow rate of 0.01 kg/s is maintained in each tube, determine the air outlet temperature Tm,o and the total heat rate q for the tube and compute and a more appropriate temperature. plot Tm,o as a function of m for 0.005 m
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