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Acoustooptic beam deflector. Consider an acoustooptic beam deflector. The incidence angle θ1 remains fixed, while the acoustic frequency is varied to control the deflection angle θ2. Derive a formula that predicts the maximum useful deflection angle, defined arbitrarily to be that deflection angle for which the diffraction efficiency drops to 50% of its maximum value. Evaluate this formula numerically for the case treated following Eq. (8.4.26), where
The steel ball is suspended from the accelerating frame by the two cords A and B. Determine the acceleration a of the frame which will cause the tension in A to be twice that in B.
The foof of the culvert will be located 3 m below ground surface. Currently the groundwater level is at ground surface. But, after installation of the culvert, the groundwater level is expected to drop 2 m below ground surface.
Determine the moment of this force about the bolt center O
a 150 L helium tank contains pure helium at a pressue of 1825 psig. How many 3.5L helium balloons can be filled from the helium in the tank? (Assume an atmospheric pressue (14.7 psia) and a temp of 298K.
In using the Darcy-Weisbach equation for flow in a pressure conduit, what percentage error is introduced in Q when f is misjudged by 20 percent?
A support block is acted upon by two forces as shown. Knowing that the Us = 0.35 and Uk = 0.25, find the minimum force P to keep the block from sliding down the slope. (beer et al. 2003)
A water main is used to refill an elevated storage tank during the night. a 100 ft long, 12 in steel pipe (ks=.06 mm) connects to the booster pump that provides a pressure of 75 psig at the pump outlet.
Plot the flame temperature and total entropy (or entropy difference) for burning gaseous hydrogen and gaseous oxygen as a function of the dissociation of water into OH (0-1). Assume that the reactants enter the combustion at 200 K and the products..
According to the design philosophy in the AASHTO Specifications, how does a heavy truck parked on a prestressed bridge girder effect the nominal shear resistance of the girder
Such that E(total) has units of Joules. Assume that kinetic energy = 1/2mv^2, potential energy = mgh, thermal energy = number, magical energy = ObamaCoef*volume*pressure.
A machine shop has just stocked 10 spare parts for the repair of machine, Stock replenishments of size 10 pieces each take place every 7 days. The Poisson breakdown of the machine occurs three times a week on the average.
Properties of frozen tissues have been measured as part of understanding the response of tissue to cryopreservation. In one set of experiments, frozen bovine carotid arteries were tested in uniaxial tension.
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