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Calculate the first-order correction to the energy of a ground-state harmonic oscillator subject to an anharmonic potential of the form ax3 +bx4 where a and b are small (anharmonicity) constants. Consider the three cases in which the anharmonic perturbation is present
(a) during bond expansion (x ≤ 0) and compression (x ≥ 0),
(b) during expansion only,
(c) during compression only.
determine the moment of that force about edge AD of the walkway.
Find the tension in the cable when the sub is (a) hanging above the water, and (b) once the sub is lowered into the sea water. When released from the cable, will the bell tend to sink or float?
Compute the wet bulb temperature of moist air that has been cooled and dehumanized from 25 C and 80 percent relative humidity to 23 C in a counter-flow spray dehumidifier. The water leaves at 15 C. (Use thermodynamic tables and Lewis number charts). ..
Knowing that the weights of boxes B and D are 9 lb and 90 lb, respectively, determine the range of values of the weight of box A so that the plank remains in equilibrium when box C is removed.
consider a stable nocturnal boudary layer in a 12 hr night. the wind is blowing at 5 ms and the surface is cooled with
At steady state, air at 200 kPa, 325 K, and mass flow rate of 0.5 kg/s enters an insulated duct having differing inlet and exit cross-sectional areas. The inlet cross-sectional area is 6 cm2. At the duct exit, the pressure of the air is 100 kPa and t..
a water pump increases water pressure from 10 psia to 50 psi. determine the power input required in hp to pump 1.2 ft3s
Material Mechanics- Visous and Plastic. Please extrapolate examples of each and carefully explain how each form. Also, explain how they play roles in deformation. Lasted, explain the difference between ductile and plastic.
An air-cooled condenser is rated at 40 tons will be installed at an elevation of 5000 ft (1640 m) above sea level. The manufacturer advises a correction factor of 0.89 at an altitude of 5000 ft (1640 m). Determine the condenser rating at this elev..
air at 27 c approaches a 0.91 m-long by 0.61 m-wide flat plate with an approach velocity of 4.57 ms. determine the
an engineering student considers using a fan as a levitation demonstation. she plans to face the box-enclosed fanso the
Design a rectangular beam (tension steel only). Determine bar cutoffs (use the graphical approach). Design the shear reinforcement and check bar cutoffs in tension zones if necessary.
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