Physics question and answers for July 06, 2023
- Q Q.  Find the an in theFourier series expansion of the function                   ?(?) = Mx2 + 7 sin(M?) defined over the interval(−?, ?).Where M =9
- Q Q1The mobility of carriers in a lightly doped silicon sample willdecrease if :Select one:a. The sample is doped N-type instead of P-typeb. None of thesec. All of thesed. The temperature...
- Q The orbital region of Earth is known as the Goldilocksregion in our solar system where the probability of life to existis higher than any other regions which may be too...
- Q Â a) What are the possible errors /uncertainties that can occur in an Incline Friction Experiment? (as detailed as possible for this part)b) What is the Incline Friction experiment background information...
- Q In capacitor lab simulation;1-Examine all tabs of capacitor lab,2-In dielectric tab, select the custom material and adjustconstant as 1,XX and 4,XX (XX: your last two digits of your studentid), ((my...
- Q The cylinder in the figure(Figure 1) has a moveable pistonattached to a spring. The cylinder's cross-section area is 10 cm2,it contains 0.0048 mol of gas, and the spring constant is...
- Q Astronomy1. Opposition is when a planet is in the opposite direction asthe Sun from Earth. How can we use observations of greatestelongation and opposition to determine if a planet is...
- Q 1. Two point charges q1 and q2 are 2.90 m apart, and their totalcharge is 20 µC. Note that you may need to solve a quadraticequation to reach your answer.(a)...
- Q Why Newtonian mechanics doesn't work at velocitiesclose to that of the speed of light? I know that mass tends tobecome infinite at v=c but why does it fail if v...
- Q How crystals grow on rocks naturally?
- Q 1.        Calculate theangular momentum of the Sun and compare it to the sum angularmomentum of the planets (of their orbits only).
- Q A1.5 m length of wire has a cross-sectional area of 5.0×10−8 m2.When the potential difference across its ends is 0.20 V, it carriesa current of 0.40 A. What is the...
- Q Suppose you are at the earth's equator and observe a satellitepassing directly overhead and moving from west to east in the sky.Exactly 11.0 hours later, you again observe this satellite...
- Q Problem 2A person with mass m1 = 74 kg person climbs a distance d fromthe base of a uniform ladder before the ladder starts to slip. Theladder has a mass...
- Q 1. Enter the symbol of the zone axis for the planes (3 -2 -1 )and ( -2 1 1).2. The crystal wall belongs to two zones simultaneously (-1 01)and (-1...
- Q In Schwarzschild geometry, the distance between two circles withdifferent circumferences is larger than the Euclidean result,because the distance between the two circles is given byintegrating dr/ (1 − rs/r) (where...
- Q A rod of mass 0.72 kg and radius 0.06 m rests on two parallelrails that are d = 0.12 m apart and L = 0.45 m long. The rodcarries a...
- Q You are provided with some commonly occurring materials likeglass, wool, fur, Styrofoam, aluminum foil etc, in various shapesand sizes. You are also given the ‘Tribo-electric’ series thatincludes these materials, and...
- Q If two identical waves with a phase difference of 5Ï€ are added,the result isGroup of answer choicesThis problem cannot be solved without knowing the wavelengths ofthe two waves.a wave with...
- Q i) Imagine that sound is incident directly on thefluid(electrolyte in the inner ear. Calculate the percentage of thesound energy that is reflected and the percentage that istransmitted into the fluid....
- Q Ignoring external torques, the sum of these angular momenta mustbe constant. We know Earth is losing its spin angular momentumbecause of tidal friction. Show that the spin angular momentum lostby...
- Q Star X is known to be 30.0 light years away and is 6.50 timeslarger than the Sun. You observe that its spectrum peaks at awavelength of 350 nm. Assume it...
- Q 1. The absorption of x-rays in a patient occurs via thephotoelectric effect, which produces an electron and a photon.Describe this absorption process in about 3-4 sentences and adiagram. What is...
- Q a) Neglecting variations in f, show that the geostrophic wind isnon-divergent.b) Explain physically / qualitatively what this means, and whythe geostrophic wind in this case must be non-divergent.c) Explain why...
- Q Suppose we have a prediction problem in marine shipping wherethe target ?corresponds to an angle measured in radians. Areasonable loss function in this case could be?(?,?)∶=1−cos(?−?)a.)Suppose the true angle is...
- Q A 10-cm-long thin glass rod uniformly charged to 15.0 nC and a10-cm-long thin plastic rod uniformly charged to - 15.0 nC areplaced side by side, 3.80 cm apart. What are...
- Q Describe how central pattern generators accomplish rhythmicsignaling. Include both pacemaker cells and neuronal networks inyour answer.
- Q A physicist wants to prove that electrons can behave as waves byobserving a diffraction pattern when a beam of electrons hits ametallic crystal of atomic spacing d. After accelerating theelectrons...
- Q 12-9 Two large parallel plane conducting plates are a distance dapart. The region between them is filled with two l.i.h. materialswhose surface of separation is a plane parallel to the...
- Q Let us have a particle which is moving with a constant velocityv in the laboratory frame. Suppose this particle has a rest mass mand it decays into two photons.We have...
- Q Excess electrons are placed on a small lead sphere with a massof 7.85 gso that its net charge is −3.30×10−9 C .Part A.Find the number of excess electrons on the...
- Q A negative charge of -0.510 μC exerts an upward 0.700-N force onan unknown charge that is located 0.300 m directly below the firstcharge.Part AWhat is the value of the unknown...
- Q Have to develop questionTopic: CurvatureDefinition of curvatureThe curvature at a point tells us how fast the curve is turningat that point.• Consider a car travelling along a winding road. The...
- Q Aircraft companies had very difficult times during the pandemicperiod. AHL, and OA have created some advantages for their loyalcustomers, especially for the Istanbul-Ankara flight. AHLprovides900 points (flight miles) for each...
- Q When exploring the effect of changing the Fourier coefficientson creation of specific waveforms, answer the following questionsabout square waves1. Why are the components only sine waves and not cosines?2. Why...
- Q The drawing shows an ideal gas confined to a cylinder by amassless piston that is attached to an ideal spring. Outside thecylinder is a vacuum. The cross-sectional area of the...
- Q Explain the iteration procedure to obtain shear modulus anddamping ratio in equivalent linear approximation with your ownsketches.
- Q Ques 1: Transient heat (25 pt).A sausage of finite cylindrical shape of a diameter 40 mm anda length 100 mm is initially held at a uniform temperature of 20°C.The sausage...
- Q A line between the Death Star and the rebel base on the moonYavin IV would not only run through the exact center of Yavin, butis 783 thousand kilometers long. If...
- Q We consider the chemical potential for the case of an intrinsicsemi-conductor. Which of the following statements is correct? Morethan one answer might be correct. (Hint: examine the equationdescribing the chemical...
- Q Find and read a recent paper in the scientific literature thatsounds interesting to you and which common thermodynamic parameters(i.e., ï„H, ï„S, ï„G, or Cp …) have been measured or computed....
- Q Using a programming language of your choice: 1) generate a rangeof wavelengths, 2) compute corresponding monochromatic blackbodyintensity using a) Planck function, b) Rayleigh-Jeanssimplification, and c) Wien simplification, and 3) plot...
- Q A simple electrical circuit comprises a battery and two 10.0 ?resistors connected in series. The battery generates a voltage of8.95 V and the current passing through the circuit is 425...
- Q Q2.A construction company wants to implement PV panels for its laborcamp in Ibri which uses a total power of 4 kW every day for alltheir utilities. The average solar radiation...
- Q A particular thermal system involves three objects of fixedshape with conduction resistances of R1 = 1 K/W, R2 = 2 K/W and R3= 4 K/W, respectively. An objective is to...
- Q The Quest For Perpetual Motion It has been a tenet of physicsthat it is not possible to build a perpetual motion machine in aclosed or isolated system. This fact has...
- Q If you exposed an image to a UV lamp, a tungsten lamp, or an IRlamp—would you expect the images to look the same or different?Explain. A complete answer will include...
- Q Question textFor the electric fluxdensity D⃗D→ =9 sin(450x) sin(500y)e2zax→ax→ + ln(2x) ( y+ 12)-0.4 z2ay→ay→ +6x yz2az→az→μμC/m2 in a medium with relativepermittivity ϵrϵr =3Magnitude of flux inμμC passing through the...
- Q We have a system of two identical particles which are in theindividual states of |φ and |ψ(φψ=0).Calculate appropriate system state for both fermion and bosoncasesWe want to measure the observable...
- Q When a rubber strip with a 3 by 1.5 mm cross section issuspended vertically and various masses are attached to it, astudent obtains the following data for length versus load.  ...
- Q for a two dimensional flow u =[Sx,Sy,0]^T, show that the fluidelement which was initially circular in shape will be deformed intoan ellipse with major axes aligned pi/4 with positive x-axis...
- Q A Honda Civic travels in a straight line along a road. Itsdistance x from a stop sign is given as a function of time t by theequation x(t)= α t2−...
- Q Two charges each +4 μC are on the x-axis, one at the origin andthe other at x = 8 m.Find the electric field on the x-axis at:A) x = -2...
- Q Give your own examples where the entropy of a system decreases,where increases. Explain your examples base on Thermodynamic Laws.List the type of processes occur in a Carnot cycle.How could youdesign...
- Q 11b - Estimating Stars typesHow would you go about estimating the size of the star calledBetelgeuse using its absolute magnitude (-6) and its spectral class(M)? How many Sun's would it...
- Q Recently, I saw a video by Minute Physics and heard a lecture byMichio Kaku about \"How to break the speed of light\". There was abackyard experiment where a person was...
- Q For a Baliistic Pendulum lab;Describe in words how you used conservation of energy in thislab. You must also expain why you were able to use conservation ofenergy for this part...
- Q Describe what is meant by a normal force gradient and explainhow this may affect the resonance frequency of a cantilever.
- Q Experiment-I (Permanent Magnetic):Draw two lines at right angles to each other on the sheet ofpaper, then position the compass on it so that the pivot of thecompass needle lies directly...
- Q (a) What potential difference must be applied to stop thefastest photoelectrons emitted by a nickel surface under the actionof ultraviolet light of wavelength 200 nm?( The work function ofnickel is...
- Q What are the differences between(a) the negative impact on the images due to lenses,mirrors, atmosphere, sensor, and photon noise?(b) Pre-Processing and Post-Processing(c) Wavelet, Fourier transform, andconvolution
- Q Question)a) What is the theory of Projectile Motion Experiment?b) What is the scientific concept of this Projectile MotionExperiment? (Explain in 500 words)c) What is the background information of the Projectile...
- Q a) Water (Densitywater = 1,000 kg/m3) flows through a pipe thatnarrows. At point A it is determined that the water flows with avelocity of VA = 93 m/s. At point...
- Q A stationary radar device emits a pulse at 10 Gigahertz. Avehicle is coming towards the device and reflects a signal with adifference of 1.33 kHz. Is this signal a lower...
- Q Write 3 paragraphs for each of the followingDefine spectrophotometry?Why is it important as an analytical chemical method ofanalysis?What are the main components ofspectrophotometer?List the main types of spectrophotometer anddifferentiate between...
- Q Atomic hydrogen exhibits a series of emission spectral linesthat includes the following wavelengths: 1875 nm, 1282 nm, and 1094nm.(a) What is the name of the series of emission spectrallines?(b) What...
- Q A wheel, starting from rest, has a constant angular accelerationof 0.1 rad/s2. In a 2.4-s interval, it turns through an angle of120 rad. How long has the wheel been in...
- Q A uniform magnetic field has an initial value of 0.45 T and adirection toward the right. A square loop of wire with side length0.15 m is in the field and...
- Q 13b - Dark Energy and MatterWhat are the latest thoughts and ideas on the role of DarkMatter and Dark Energy in the formation and future of our Universe?(this is part...
- Q Prepare a table of values for the change of electron densityat each layer by 10% rise from [6M] lower D layer to the top F2layer, and calculate the variation of...
- Q A monatomic ideal gas of N atoms has initial temperatureT0 and a volume V0, the gas is allowed toexpand slowly to fill a final volume of 7V0 in thefollowing ways:At...
- Q Why would you expect flavor differences between brewed andinstant or freeze-dried beverages?
- Q A curve of radius 69 m is banked for a design speed of 78 km/h.If the coefficient of static friction is 0.30 (wet pavement), atwhat range of speeds can a...
- Q 1.  How is the direction of the magnetic field thataccompanies a changing electric field related to the direction ofthe changing electric field?2. What is the main difference between the effects of...
- Q ''Discuss the Nyquist criterion and explain theconsequences of over and under sampling when acquiring images in alaser scanning confocal microscope''.. Please answer well so I can understand cause im not...
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