Physics question and answers for July 07, 2023
- Q how to find out analytical solution of 2-dimensional waveequation in polar coordinates? Also interpret the eigenvalues ofthe solution?
- Q Does a stiffer spring undergo slower or faster damping than aless stiff spring of the same length?( A brief explanation in detail would be very helpful, thankyou!)
- Q A golf ball strikes a hard, smooth floor at an angle of 35.0 °and, as the drawing shows, rebounds at the same angle. The mass ofthe ball is 0.0542 kg,...
- Q A meter stick has the pivot placed at the 28 cm mark. A mass of156 g is placed at the 3 cm mark, and another mass of 94 g isplaced...
- Q Answer to Astronauts observing from a space station need atelescope with a ... human eye (Note: see problem 3), capable ofresolving detail as small as 0.1 arc ... Design a...
- Q A scuba diver training in a pool looks at his instructor asshown above. What angle, in degrees, does the ray from theinstructor’s face make with the perpendicular to the water...
- Q A 3.2 kg box hangs on a rope without mass and that does notstretch, the rope hangs on another 3.2 box that is tied withanother rope (also without mass and...
- Q A disk of radius a and mass m is suspended at its centreby a vertical torsion wire which exerts a couple -cθ on the diskwhen it is twisted through an...
- Q Post I is your initial conclusion based on the dataobtained in your experiment. It should be written in completesentences.*Upload a picture of your experimental setup. The picture mustinclude a piece...
- Q Light with wavelengthn= 650nm is incident on 2 slits, each with a width of 0.25 mm andseparated by 0.75 mma. What is the anglebetween the 2 first order minima on...
- Q Motors are treated in the thermodynamics as a [Select]systema) warmb) coldc) closed(d) openThe combustion of the fuel is replaced by [Select 1] and theexhaust gases [Select 2][Select 1](a) cold airb)...
- Q A parallel plate capacitor filled with air is connected to abattery. A dielectric material of dielectrical constant is K=4 isadded between the two plates while the capacitor remains connectedto the...
- Q two masses m1 and m2 move under their mutual gravitationattraction in a uniform external gravitational field whoseacceleration is g. Choose as coordinates the cartesian coordinatesX, Y, Z, of the center...
- Q Show that the moment of inertia of a spherical shell of radius Rand mass M about an axis throughits centre is 2/3 MR2. Show also that the moment of inertia...
- Q Explain the control loops using current amplifier for the robotjoint motions mentioning the response equations involved
- Q Calculate the following centripetal accelerations asfractions or multiples of g and comment on the results: (a) Theacceleration to- wards the Earth’s axis of an object resting on theEarth’s surface at...
- Q do you have answer of exercise 3.4 (chapter 3) of book Sakurai(Modern Quantum Mechanic 2nd ) ?
- Q A stepladder consists of two sides of equal mass and a length of3.7 m, and the two sides are connected by a rope fixed 1.2 m fromthe bottom of the...
- Q Q1: Liquid drop model of nuclei: Describe how oneviews a nucleus in this model. What is the nucleus madeof?What is the relationship between the atomic number, A,and the nuclear radius?According...
- Q A question about the amplitude graph of the pendulum:Should I say; Period does not depend on Amplitude and just make azero slope graph just like the mass graph.ORShould I say;...
- Q The H-R diagram is the most important graph in astronomy.One of the reasons that this graph is so powerful is the number ofdifferent kinds of data it shows. Most graphs...
- Q When a car corners at speed one is relying on thefriction between the tyres and the road to counter the centrifugalforce tending to throw the car outwards. One way to...
- Q A diffraction grating has a chromatic resolving power of 20,000in first order (m = 1). (i) What is the number of slits in thegrating? (ii) This grating is used to...
- Q a) An ice cube initially at zero degrees C has mass 37g. It isused to cool a hot cup of water at 184 which has mass 200g. What isthe final...
- Q How dense was the universe when it was 1 million years old?
- Q The G-string on a guitar is 64.8 cm long and is properly tunedto 196 Hz (fundamental) frequency.a. Sketch the first harmonic on this guitar string at twodifferent times.b. What is...
- Q A light bulb is connected to a 60-V wall socket. The current inthe bulb depends on the time t according to the relation I = (1.414A) sin[(282.6 Hz)t].(a) What is...
- Q This chapter goes through an overview of one of the leadingsmallest size theories - superstring theory. But is it a scientifictheory? What issues in physics does it address better than...
- Q A basketball of mass m = 610 g rolls off thehoop's rim, falls from a height of 2.90 m to the court's floor, andthen bounces up to a height of...
- Q A white billiard ball with mass mw = 1.54 kg ismoving directly to the right with a speed of v = 3.31 m/s andcollides elastically with a black billiard ball...
- Q A 56.0-Ω resistor is connected in parallel with a 121.0-Ωresistor. This parallel group is connected in series with a 22.0-Ωresistor. The total combination is connected across a 15.0-Vbattery.(a) Find the...
- Q A ball of unknown mass m is tossed straight up with initialspeed v. At the moment it is released, the ball is a height h abovea spring-mounted platform, as shown...
- Q Explain the electrical, optical, magnetic and thermal propertiesof METALS based on the band structure, electronic configuration andatomic structure.
- Q Antiproton of kinetic energy E_k collides (bumps) with a protonat rest. How much energy is available for the production of newparticles that have a mass.relativistic calculation is needed and a...
- Q describe how heel effect and the line focus principlemay be applied in chest radiography to optimize image quality
- Q Optics Conceptual AnalysisOne or two sentences is fine. But please clearly explain eachquestion.For each statement, decide whether it is always true, always falseor true in certaincircumstances. State which case applies...
- Q Momomo is aconstruction company in Japan. Momomo is concerned on thedepreciation of Japanese Yen in the future. The company expected topay its supplier EUR 950,000 in Germany in three months....
- Q A parallel-plate vacuum capacitor has 7.22J of energy stored init. The separation between the plates is 2.70mm . If the separationis decreased to 1.85mm ,a) what is the energy now...
- Q The physics of satellite motion around Jupiter.A satellite is placed in orbit 5.00 x 105 m above thesurface of Jupiter. Jupiter has a mass of 1.80 x 1027 kgand a...
- Q Bouncing (Elastic) Collisions;Enter the data into the spreadsheet and plot the initial energyversus the final energy. Do a straight line fit to find the slopeand intercept of this graph. Put...
- Q Investigate comprehensively electric fields and equipotentiallines around and inside two parallel plates electrode system Canyou explain? You can send with word.
- Q The sun is powered through the collisions between 1H1atoms. Explain in detail howthe sun is powered.
- Q The length of nylon rope from which a mountain climber issuspended has a force constant of 1.40Â Â 104N/m. (Hz)(a) What is the frequency at which he bounces, given his mass plusequipment...
- Q [Solve this problem in Gaussian units and not in SI units.]Write and discuss the equation of motion for one electron ofmass me bound to the origin by an elastic force...
- Q A 61-kg trampoline artist jumps upward from the top of aplatform with a vertical speed of 5.1 m/s.Part AHow fast is he going as he lands on the trampoline, 2m...
- Q Two forces, 1 = (5.20î −3.15ĵ) N and 2 =(3.40î − 4.45ĵ) N, act on aparticle of mass 2.20 kg that is initially at rest at coordinates(+2.05 m, +3.90 m).(a)...
- Q Using Van der Waals gas equation,describe enthalpy, entropy, Helmholtz free energy, Gibbs freeenergyas a function of temperature and volume.
- Q QUESTION 4Analyze the characteristics of field-dependent learners andfield-independent learners? How can this knowledge benefiteducators in developing education?
- Q A 15 kg block is dragged over a rough, hor- izontal surface bya constant force of 107 N acting at an angle of angle 31.9â—¦ abovethe horizontal. The block is...
- Q 1. Short, not many times its diameterThe tube is called a nozzle and is pressurizedHow to determine the fall?2. The value of the velocity coefficient φcan you explain3. Explain the...
- Q .Typically when astronomers use the term flux, they are referring toan energy flux, or the amount of energy flowing through an area(typically, spherical) in unit time. This is the same...
- Q Q1 Scenario: Charge by conduction of an electroscopeneedle by rubbing the hard rubber rod vigorously with a sheet ofwool and rub the rubber rod along the top of flat disk...
- Q 1)What potential difference is needed to stop an electron thathas an initial velocity v=7.0×105m/sv=7.0×105m/s?2)How strong is the electric field between the plates of a0.80-μFμF air-gap capacitor if they are 3.0...
- Q A particular metal illuminated by a monochromatic light sourceat 1.5 times the cutoff frequency fc (in an evacuatedchamber) emits photoelectrons with a maximum kinetic energy(Kmax) = 1.45 eV. For reference,...
- Q A non conducting sphere of radius R and uniform volume chargedensity is rotating with angular velocity, Omega. Assuming thecenter of the sphere is at the origin of the coordinate system,...
- Q 1.When the mass of an object is the same, is the total momentum and kinetic energy preserved? The reason is that?-2. When the mass of the object is different, is...
- Q What is a Bragg reflector? Which technology does needs this typeof reflector and why?? What is the primary advantage of thistechnology?What is Immersion lithography? How can it improve theresolution? What...
- Q 1. Explain what is meant by baseband signal and basebandtransmission.2. Explain one approach for PWM modulation and detection(demodulation). Please draw the required circuits and diagrams.
- Q 1. The correct mathematicalmodels for the first four seconds of the motion map below are: (can have multiple answers)http://tinypic.com/view.php?pic=20u4v4o&s=8#.U62fWF6aL1o<< graph that goes to thequestionA) x(m)=1/2(-10m/s^2)t^2(s^2)+(10m/s)t(s), 0 < t <3sB) v(m/s)=(-10m/s^2)t(s)+(20m/s),...
- Q A converging lens whose focal length f = 20 cm projects a 3.0times magnified image of an object on a screen. What is thedistance q from the screen to the...
- Q describe and explain what is Transmitter, Receiver, Transcieverand give the example minimum 3 with the explanation for eachtransmitter, receiver and transmitter! note please answer write inapplication in the Microsoft Word...
- Q 2.a) As best you can, describe in words what the diffractionpattern from a double slit will look like.b)For diffraction by a double slit, describe what will happento the diffraction pattern...
- Q If we propose a new theory or idea (say a cosmicmodel) which got no mathematical proof of it's own but the theoryuses previous mathematically solved and proved theories likeRelativity and...
- Q Which defects will be formed when compound B is doped withcompound A? Display the defects using the Kröger Vink notation andthe effective charge.ABLithium bromideCalcium bromideMagnesium oxideIron (III) oxideCadmium chlorideSodium chloride
- Q 1. (a) What is the rate at which the Sun delivers energy to theentire Earth ? Assume that all of the incident energy is absorbed.(b) From the internet (or whatever...
- Q a-) Explain in detail the reason why the center is dark in theenlightenment setup in the Newton rings experiment.b-) You want to determine the absorption coefficient. Draw theexperimental setup and...
- Q Please no handwritten or copied answers. Thanks. (Solarsystems)Evaluate three advantages of daylighting.How does building orientation impact the choice of daylightingstrategies?In your own words, describe principles and techniques involvedin passive solar...
- Q For years, the young Taco Prince knew he would one day be forcedto battle his rival, the Burrito known as “Happy Dave, TheDestroyer of Worldsâ€, to see who would become...
- Q Chapter 28, Problem 004An alpha particle travels at a velocity of magnitude 760 m/sthrough a uniform magnetic field of magnitude 0.042 T. (An alphaparticle has a charge of charge of...
- Q Imagine two planets orbiting a star with orbits edge-on to theEarth. The peak Doppler shift for each 75 m/s, but one has a periodof 7 days and the other has...
- Q Good morning. Today I will also advance some physics, thefollowing exercises sent me but in these three exercises of theworkshop I got confused by the reference system, I did not...
- Q A heating system is designed to keep the inner wall surfacetemperature of a room at25ï‚°C. Only one wall of the room is contacted with the outerenvironment. The crosssectional view of...
- Q Let's consider a rectangular wave guide with dimensions of ? =1.58 cm and ? = 0.79 cm, filled with air inside and copperoutside.a) Calculate the cutoff frequency for the first...
- Q This is a long question that needs to be fully done onpaper, scanned and uploaded. Also type in the answer of(a) in the space provided.A spring is mounted over an...
- Q I have two Nema17 Stepper Motor and two drive L298N andA4988I want use it for solar tracker project dual Which drive can Iuse it ? and write code in Arduino
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