Physics question and answers for August 18, 2023
- Q An infinitely long, uniformly charged, insulating, solidcylinder, with radius R has spher-ical holes cut into it of radius a < R along its axis. Thecylinder is placed with its axis...
- Q Derive expressions for the surface current density andsurface charge density, for the TE10 and TE11 modes of arectangular waveguide.The old answers on Chegg are either wrong orincomplete, please dont copy...
- Q use python to graph the projectile motion of an object underquadratic drag
- Q Discuss the “Great Debate†that took place between HarlowShapley and Heber Curtis in 1920. (a) What werethe major arguments on each side of the question of whether thespiral nebulae were...
- Q Explain the concepts of “luminosity distance†and “properdistanceâ€, and how they are different. How does the observedbolometric flux, f, from a distant source with luminosity,L, depend on redshift, z? What...
- Q please give me a detailed information of ElectronDiffraction and SAED ( selected area electron diffraction)technique with the help of examples? Why we use SAEDtechnique?Details required for both are as follows:-Definition-...
- Q a) Consider three common types of phonon spectroscopy, Ramanspectroscopy, Brillouin spectroscopy and inelastic neutronscattering. Describe the differences between the three techniquesin terms of the following variables and comment briefly on...
- Q Describe the reason, why or why not the emittance is differentin the horizontal plane and the vertical plane
- Q Find the electric field inside and outside of hallow conductingsphere charge Q
- Q Two 10-cm-diameter charged ringsface each other, 19 cm apart. The left ring is charged to -30 nCand the right ring is charged to +30 nC .Part AWhat is the magnitude...
- Q a 25.0-kg boy stands 200 m from the center of africtionless playground merry-goround, which has a moment of inertia of 200. kgm. The boy begins torun in a circular pathwith...
- Q Generally speaking, a system undergoes simple harmonic motion ifthere is a restoring force that increases linearly withdisplacement from equilibrium. In the discussion, describe how apendulum and a mass on a...
- Q How wind force affect projectile velocity?what is the equation of projectile motion velocity x & y withwind force effect?
- Q angel ofincedenceangle of reflectionaverage angle ofreflectionclockwisecounterclockwise1010101020202020303030304040404050505050606060607070707080808080acrylic lensGlass lensangel ofincedenceangle of reflectionaverage angle ofreflectionangle of reflectionaverage angle ofreflectionclockwisecounterclockwiseclockwisecounterclockwise10856.577720151213.513131330211819.52020204027252625252550323031313131603735363535357040383938383880434041.5404040acrylicglassunknown fluidSlope from the graphSlope from the graphSlope from the graphindex ofrefraction n=index ofrefraction...
- Q There arecurrently four areas of dental care that are enjoying the benefitsof laser technology:a) Cavityremoval can be accomplished with two currently available (and FDAapproved) laser machines;b) Curing, orhardening bonding materials...
- Q A distant galaxy is simultaneously rotating and receding fromthe earth. As the drawing shows, the galactic center is recedingfrom the earth at a relative speed of uG = 2.00 ×...
- Q Jupiter has a mass of 1.9*1027 kg and a radius of 69,900 km. G =6.67*10-11 Nm2 /kg2 a. Find the acceleration due to gravity at itssurface b. Find the speed...
- Q Whatare the obstacles to overcome in laser tweezer setups? Find ajournal article that describes an application of this technique.Summarize the application presented in the article.
- Q How much 1.0 mm diameter copper wire would it take to equal theresistance of one 100 Ω resistor? The resistivity of copper is1.68*10-8 Ωmb) What would be the current if...
- Q A 4600 kg lunar lander is in orbit 40 km above the surface ofthe moon. It needs to move out to a 280 km high orbit in order tolink up...
- Q A solid conducting sphere of radius 2.4 cm has a charge of 23 nCdistributed uniformly over its surface. Let A be a point 1.8 cmfrom the center of the sphere,...
- Q The motion of Halley’s comet and its motion. Halley’s comettravels in an elliptical orbit of eccentricity ϵ = 0.97 around theSun. At perihelion (closest approach), Halley’s comet is observedto be...
- Q Discuss the dark energy. Give reasons for your answer and listthe pros and cons of your choice.
- Q Question 1: (a) Explain about two characteristiclengths in the theoretical and experimental investigations ofsuperconductivity (Drawing is necessary), One of thedistinguishing aspect of Type I and Type II is the relative...
- Q For an internal spring force collision, what do you think wouldbe the effext of system momentum if you hit the trigger at a slightangle instead of straight down? Explain why...
- Q In this simulation, you can examine the magnetic field createdby the current in a solenoid, which is a cylindrical coil of wire.Instead of using a spiral-shaped coil, the simulation approximatesthe...
- Q To explore the physics of freefall, a curious student climbs tothe top of the Las Vegas-version of the Leaning Tower of Pisa (tobe built in the style of the Las...
- Q A stellar object that is at a great distance emits a stream ofmatter at velocity v towards an observer obliquely, forming anangle θ with the observation line. For the observer...
- Q how do you chose the energy range of radiating particles/phononsto study the structure of a lattice?
- Q show how to solve the integral of density of state from 0 todebye frequency and explain the solution
- Q Make a side by side comparison for the electric potential andthe vector potential. Compare them according to: a) Redundancies intheir definitionsb) How they can be found from the sources c)...
- Q In 1-D, the finite square well always has at least one boundstate, no matter how shallow the well is. In 3-D, a finite-depthwell doesn't always have a bound state.find bound...
- Q Discuss the relationship between storage modulus, yield stressand cohesive energy density? What can you predict about thestability of emulsion with respect to cohesive energy density?(Answer should be few sentences or...
- Q A 0.70-m aluminum bar is held with its length parallel to theeast-west direction and dropped from a bridge. Just before the barhits the river below, its speed is 29 m/s,...
- Q Consider 10 moles of an ideal polyatomic gas in a container witha frictionless piston. The initial pressure is 105 kPascals andinitial volume is .3 m3.   The gas isisobarically compressed to .1...
- Q Q1.An n-type silicon wafer undergoes a pre-deposition diffusionprocess with a constant surface concentration of boride gas; theresulting concentration of boron in silicon at the surface isestimated to be 1x10^18 atoms...
- Q 30 grams of ice at -5 Celsius melt while being left at roomtemperature of 28 Celsius.  After melting its temperaturerises to 28 Celsius.  Determine the total change ofentropy of the ice.[Cice =...
- Q Liquid 1: Water (density: 1g/cm3)Water displaced = 156 mLmass of object was found to be 156 gLiquid 2: Saltwater (density: 1.02 g/cm3)water displaced: 158.4 mLMass of object was found to...
- Q Part 1:Below are basic arguments in English. Choose one argument andtranslate the argument into the symbolism of predicate logic. Useone of the proof techniques from Chapter 8 to demonstrate thevalidity...
- Q The interaction of one photon with another can beunderstoodby assuming that each photon can temporarily become a“virtualâ€electron-positron pair in free space, and the respectivepairs can then interact electromagnetically. (a) How...
- Q Ferrari LaFerrari can speed up from rest to 60 mph in 2.4seconds. What average force is required to accelerate the vehicleif it's total weight is 3479 lb? Submit you answer...
- Q 26.0 g of copper pellets are removed from a 300∘C oven andimmediately dropped into 120 mL of water at 23.0 ∘C in an insulatedcup.What will the new temperature be?
- Q A proton with initial kinetic energy 50.0 eV encounters abarrier of height 70.0 eV. What is the width of the barrier if theprobability of tunneling is How does this compare...
- Q A fourth grader decides she is going to make an electromagnetfor her science fair project. She uses an iron nail, 50.cm of #22copper wire and one D cell battery. The...
- Q i) Give an example of confinement effects on magneticmaterials?ii) Given a Keff of 1E-5 J m3 please determine thecritical size that you expect to have the confinement effect at300K.iii) And...
- Q Understand the analogy between translational and rotationalkinematics and dynamics. (Outcome 1) State the conditions fortranslational and rotational equilibrium and apply these conditionsin analyzing the equilibrium of a rigid object (Outcome...
- Q i) Explain the working principle of Magnetic resonanceimagingii) What is the main advantage to use magneticnanoparticles.iii) What is the nature of T1 and T2 inMRI?5.
- Q Electric charges of - 10 nC, + 10 nC, and - 20 nC are located inthe x-y plane at positions of (0, 0.5), (0, -0.5), and (0.5, 0),respectively, where the...
- Q Construct a closed PV-cycle for a gas of N=12^22 particles, so that the final point is equal to theinitial point. For each step and assuming that this is an ideal...
- Q please use clear answers and tools to provide the answersthe last ones for the latest testHow much power is developed by a truck motor as it pulls a 791.0 Ncamper...
- Q A charge Q = 24 nC is fixed in space at co-ordinate (0, 0).Another charge q= 4 nC; of mass 0.07 kg, is placed at (d , 0) thenlet go...
- Q Determine the direction of the force that will act on the chargein each of the following situations.1) A negative charge moving out of the screen in a magneticfield that points...
- Q Consider a system of N particles in an infinitesquare well fro, x=0 to x=N*a.find the ground state wave function andground state energy forA. fermions.B. bosons.
- Q Based on the use of the modified Rayleigh criteria demonstratemathematically which of these two surfaces will appear bright anddark in an Aircraft C-band radar image with a wavelength (λ) of...
- Q 1: Can heat flow either into or out of a substance without thesubstance changing temperature? If not, why? If so, explain andgive an example of such a process.2: An ice...
- Q Two point charges of charge Q = 19 nC and mass m = 27 g are 31cm apart. One of them is let go. Gravity should be ignored. Whatwill its...
- Q If there are 3 quantum wells separated by the same distance in a1-D array with wavefunction ψ1 ,ψ2 , and ψ3 for these three quantum wells respectively. Theelectrons only acts...
- Q A converging lens has a focal length of 7.5 cm.(a) What are the image distances for objects placed at thefollowing distances from the thin lens? Also, state if each imageis...
- Q The following questions about lasers:a. Mention and explain the characteristics of the laser beam thatdistinguishes it from general light.b. Write a summary of the working principles of the laser accordingto...
- Q (1) (A)You approach a stationary sound source with a speed suchthat the frequency of sound you hear is 17% greater than the actualfrequency. With what speed are you approaching the...
- Q A particle of charge q and mass m is accelerated from restthrough a potential difference V, after which it encounters auniform magnetic field B perpendicular to its velocity v. If...
- Q There are two identical, positively charged conducting spheresfixed in space. The spheres are 41.0 cm apart (center to center)and repel each other with an electrostatic force of F1 = 0.0600...
- Q Four charges are placed on the corners of a rectangle withlength d = 0.00341 mm and breadth s = 0.00119 mm, as shown in thefigure. The charges are given in...
- Q question: in maximim flow types of problems, can we connect firstand last nodes if the capacity allows ???
- Q It takes 2.95 ms for the current in an LRcircuit to increase from zero to 0.85 its maximum value.Part ADetermine the time constant of the circuit.Express your answer to two...
- Q 1. Suppose you are driving a 500-kg Zamboni when it suddenlybreaks down, forcing you to get out and push. You apply a force of85 N on the machine, which experiences...
- Q A steel ball is dropped from a diving platform (with an initialvelocity of zero). Using the approximate value of g = 10 m/s2 (a)Through what distance does the ball fall...
- Q Define and discuss both ASTM grain size and Vickershardness in details.I need a full and detailed answer with references.
- Q what is the short circuit current (Isc) and open circuit voltage(Voc) and how can I obtain those value from a I-V curve?
- Q If charges Q1=25nC is located at (0,0) and chargeQ2=-15nC is located at (2m,0). (a) Find the resultantforce on a third charge Q0=20nC located at (2m,2m), and(b) find the electric field...
- Q A hollow aluminum cylinder 15.5 cm deep has an internal capacityof 2.000 L at 22.0°C. It is completely filled with turpentine at22.0°C. The turpentine and the aluminum cylinder are then...
- Q A quasiparticle of mass m is trapped by an extended crystaldefect, which has a shape of a narrow, straight tube of length l.The quasiparticle hence is confined to move within...
- Q Give the VHDl code for your an 8-to-3 priority encoder using two4-to-2 priority encoders and any additional necessary gates. Useport maps and code the structural behavior using logic gates not...
- Q Calculate the commutators of angular momentum(a) [x,Lx],[y,Lx],[z,Lx](b)[px,Lx],[py,Lx],[pz,Lx]
- Q Consider the situation of two particles which have equal butopposite charges, +Q and -Q. The particles have identical mass.Discuss the following situations in terms of their motion and thework done...
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