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Using powers of 10, estimate the number of quantum states accessible to an outer electron on an atom, by estimating the size of an atom and knowing that typical binding energies are a few eV. (That is, if the kinetic energy is greater than a few eV then the electron is no longer on the atom.) The number of states = VrVp/h3.)
consider a 77.0-kg man standing on a spring scale in an elevator. starting from rest the elevator ascends attaining its
Write a sentence to indicate the subjects dealt with in the paper and state the objectives of the investigation - Include a diagram of the equipment and Describe the materials needed for the experiment
feed at 10 ccelsius containing 20 solids enters an evaporator operating at 90 ccelsius. saturated steam90 quality
a 50 kg winding drum 75 cm in diameter is used to reel in cable. it is moving at the rate of 2 revolutions per second.
Sketch the fully annotated velocity triangles for a Parsons turbine stage. Use your sketch to show that the specific work produced per stage is given as w_stage = (C_b)^2 [1 + 2(f/C_b)(cot(B_1))].
A 23 W compact fluorescent lamp (equivalent to a 100 W incandescent lamp) remains lit for 24 hr a day during a 30-day billing period.
helium initially at 327 deg. c and 100 kpa is contained in a frictionless piston-cylinder. the system is slowly cooled
1. The Red Cedar River ?ows placidly through MSU's campus at a depth of 80 cm. A leaf is observed to travel about 1 m in 4 s. Decide if the ?ow is laminar or turbulent. Make any assumptions needed.
Draw a unit cell for an HCP crystal. Show the perfect dislocations in thebase plane. Can they decompose into partials? If so, represent them by thespecial notation for dislocations.
air flows through a convergent-divergent nozzle from a large reservoir in which the pressure and temperature are
a rigid vessel contains 10 kg of steam. the steam is initially at 10 bar and 300 c. after a period of time the pressure
Calculate the maximum shear stress using (a) the general shear formula and (b) the average web shear approach. Be sure to include the weight of the beam.
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