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- Explain the 3 principal dynamic components of molecular kinetic energy?A)Define surface tension in terms of force and show that the work done per unit area in changing the area of a liquid surface under isothermal conditions is equivalent to the definition of surface tension in terms of forceEncircle the correct option of the given questions: i) For a system of n distinguishable particles to be distrbuted in two similar compartments, the total mumber of macrostates are a) a. b) (n+1), e) n(a+1n d) a.
- Please help. Refer to the picture attached. The following pressure, temperature and specific humidity measurementswere made from radiosonde soundings on day 11 of the Wangara PBLexperiment: (a) Calculate and plot virtual temperature as a function of height. Answer in the format of Given, Required, & Solution. (b) Calculate and plot virtual potential temperature as a function of height. Answer in the format of Given, Required, & Solution. (c) Characterize the various layers on the basis of local and nonlocal stability and discuss the differences between the two.(d) Estimate the height of the inversion base (zi), as well as the PBL height (h). Discuss the sensitivity of the latter to the near-surface temperature. Answer in the format of Given, Required, & Solution.How would I draw the following graphs for a simple ohmic device from the equations V=IR and P=IV=I^2R=V^2/R: plot V vs. I with constant R, plot P vs V with constant R, plot P vs R with constant I, and plot P vs I with constant R.2) The potential energy between a pair of neutral atoms or molecules is very well approximated by the Lennard-Jones Potential, given by the expression, 12 V(r) = 4ɛ where & and o are constants, and r is the distance between the molecules. The potential energy is plotted in the figure below. The vertical axis is in units of ɛ, while the horizontal axis is in units of o. Molcular Bond Eaery 2 1.25 1.5 1.75 2. 2.25 25 2.75 3.25 -1: -2- Distance W 3.
- A solar dish-engine system has single cylinder Stirling engine mounted on the focus of the solar dish 1 m in diameter. The dish receives solar irradiance which is 60% the solar constant. The highest temperature in the receiver is 10 times more than the surrounding temperature of 25° C. Calculate: a) solar power collected by parabolic dish b) Carnot efficiency of the Stirling engine c)Theoretical maximum mechanical power produced by the engine d) The concentration ratio of the dish if the receiver diameter is 15 cmEvaluate (dS/dn7 for a van der Waals gas. For an isothermal expansion, will AS be greater for an ideal gas or IT for a van der Waals gas? Explain your conclusion.What is the physical significance of the Biot number? Is the Biot number more likely to be larger for highly conducting solids or poorly conducting ones?
- 3) a) Use kinetic theory to prove that the pressure of a dilute gas is proportional to the average kinetic energy of the molecules, by just aualyzing motecule s that have au x- componeut of velocuty egual to vk h) Explain briefly the v factor. in the Makcell - Boltznaun spied distribution 'formulaAt a certain location, the solar power per unit area reaching Earth’s surface is 200 W/m2, averaged over a 24-hour day. If the average power requirement in your home is 3 kW and you can convert solar power to electric power with 10% efficiency, how large a collector area will you need to meet all your household energy requirements from solar energy? (Will a collector fit in your yard or on your roof?)Which of the following PV diagrams have at least one step that is ISOBARIC and at least one step that is ISOVOLUMETRIC?