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An aluminum (E = 70 GPa) cantilever must carry an end load of 1.4 kN as shown. However, in this design, when the beam is loaded the end of the cantilever A has to have the same elevation as point C (i.e., the net deflection of A must be zero). A hydraulic jack may be used to raise point B to achieve this. Determine the amount that B should be raised and the reaction at B (when the load is applied and B has been raised). Do not consider the weight of the beam. The cross-section of the beam is half of an I-beam as shown. The properties given in the box below are for the whole Ibeam. The position of the centroid of the half-section (relative to the top of the section) is shown in the figure.
Two wires of infinite length are placed at a distance D = 10cm on opposite sides of a point O, both wires carry the same current of 1.0 A, in which direction must this current flow in order for the magnetic field strength at O to be non-zero.
1. what does the area-velocity relationship tell us about flow in a supersonic wind tunnel?2. what is the throat and
Electric power is to be generated by installing a hydraulic turbine-generator at a site 120m below the free surface of a large water reservoir that can supply water at a rate of 1500 kg/s steadily. Determine the power generation potential.
a cylindrical bar of metal having a diameter of19.4mm and a length of194mm is deformed elastically in tension with a
Figure provides steady-state operating data for a well-insulated device with air entering at one location and exiting at another with a mass flow rate of 10 kg/s. Assuming ideal gas behavior and negligible potential energy effects, determine (a) t..
water enters the steam generator of a power plant at 7mpa 50 degrees c and exits at 7mpa and 600 degrees c. the steam
a cantilever beam ab is loaded by a couple m0 at its free end see gure. the length of the beam is l 20m and the
a water jet pump has a jet area of a0 and jet speec v0. the jet is within a secondary stream of water having speed
the silver medal awarded to the second place winner in 2002 salt lake city winter olympics had a composition of 92.5 at
the turbine rotor in the power plant of a ship as shown in fig. 3 has a weight of 12.75 kn with centre of gravity at g
Consider a symmetric-key cryptosystem in which cryptographic keys are randomly selected from the set of all n-bit strings. Approximately what should n be in order to provide 128 bits of security against a birthday attack?
on average in the u.s. carson light trucks vans and slpvs are driven about 15000 exiles per year. the average fuel
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