Physics question and answers for August 02, 2023
- Q 4. Explain the processes of lasing in the Co2 laser. What is thefunction of Nitrogen, and Helium in the gas mixture of the co2laser?
- Q 1. A toy car of mass 2.0 kg moving to the right with a speed of8.0 m/s collides perfectly inelastically with another toy car ofmass 3.0 kg that is moving...
- Q (a) Compute the first-order correction to all energy eigenvaluesof a particle in a square well in the region 0 ≤ ? ≤ L with addedpotential: ?(?) = ?o? when 0...
- Q For Astronomy class, please answer this question clearly, thankyou.Describe the similarities and the differences between themechanisms by which Terrestrial and Jovian planets generate theirmagnetic ï¬elds.
- Q A 2500-kg rocket blasts off from Planet A headed directlytowards Planet B. The masses of Planet A and B are 6x1024 kg and3x1025 kg respectively and the distance between the...
- Q A sphere with radius a = 8 cm is in a conductive sphere shellwith an internal radius of b = 12 cm and an outer radius of c = 18cm...
- Q A uniformly charged disk of radius 35.0 cm carries a chargedensity of 6.40 ✕ 10-3 C/m2. Calculate theelectric field on the axis of the disk at the following distancesfrom the...
- Q If the projectile rebounds upon impact instead of sticking tothe pendulum, how would the vertical rise of the pendulum compareto the value obtained when the two move together? Give anexplanation.
- Q An engine that operates by means of an ideal diatomic ideal gasin a piston with 2.70 moles of gas. The gas starts at point A with3x103 Pa of pressure and...
- Q Describe in detail, with sketches as appropriate, therequirements for a setup of a mechanical experiment that allows tomeasure the weight of individual atoms. Provide details of a sensor(eg. scale, mass),...
- Q Thermodynamics and Statistical Mechanicsproblem:(a) Derive the Maxwell speed distributions inone and two dimensions.(b) What is most likely speed in each case?(c) What is average speed in each case?(d) What is...
- Q . Two-point charges are brought 0.01 m from each other. One hasa charge of 10.0 nC, the other has a charge of -10.0 nC. What isthe magnitude of the electrostatic...
- Q A person standing far away walks toward a plane mirror at aspeed v, and the speed of the image is 2v relative to the person.Please compute the speed of the...
- Q Friction ExperimentProcedure:On the pulley place 50 grams weight on the block which is0.05kgAttach the wood block using a string and hangerPlace the hanger on the other side of the pulleyUse...
- Q A rocket ship is launched from rest from a space station. Itsdestinations 1.0 x 10^11 m away. The ship is programmed toaccelerate at 7.4 m/s^2 for 12 hours. After 12...
- Q A compost barrel can be considered as a solid cylinder of mass50.0 kg and radius of r = 30.0 cm, and a length of 0.900 m. It canbe turned about...
- Q An electron is confined inside a quantum dot, which for thisquestion can be approximated as a one-dimensional quantum box withrigid walls. The ground state has an energy of 0.042 eV.(a)...
- Q HI please answer these questions with clean handwriting.1)What property of the spherical curve allows thevertex of positive and negative mirrors to be determined in thesame way?​2)What is an easy way...
- Q 1. A mass of 0.019 kg attached to a spring with spring constant27.0 N/m is pulled to the right 8.0 cm and released. The massoscillates with a frequency of 6.0...
- Q Lauren has a bow that can shoot arrows at speeds of 0.3c. She istravelling across the Great Sandy Desert to her next archerycompetition on an ultrafast train that moves at...
- Q For a conservative force F, all if the following are correctexceptA. there exists an associated potential energy function.B. the line integral of F between points A and B by way...
- Q A manof mass 80 kg runs up a flight of stairs 20 m high in 10 s. (a) howmuch power is used to lift the man? (b) If the man’s...
- Q how do you linearize this data and what is the slope of theline?:Distance of sphere's fall: .10m time .14 sdistance of sphere's fall: .50 m time .32sdistance of sphere's fall...
- Q Explain what would happen if we began Charge-to-Mass Ratio ofElectrons experiment with a dot on the CRT (cathode-ray tube)screen instead of a line?
- Q Assuming that there are no losses of energy to friction, how muchwork must the motor of a 2,100-kg Tesla Model S do to accelerate itfrom 0 to 100 km/hr in...
- Q You are to fire a cannon and are trying to hit a target 300meters due east of your current position. Your cannon firesprojectiles with a mass of 2 kg and...
- Q Determine thenumber of pounds of joists, beams, and columns needed for the roofin Figure 13.18. The columns are 17 feet high and weigh 76 poundsper foot.Complete Chapter 14 Review Question...
- Q A 0.300-kg puck, initially at rest on a horizontal, frictionlesssurface, is struck by a 0.200-kg puck moving initially along the xaxis with a speed of 2.00 m/s. After the collision,...
- Q howto read an MTF chart in photography
- Q Explain the relationship between GAST and UT1? What is therelationship between UT1 and UTC?
- Q Consider an aluminum annular disk with an outer radius 63.2 mmand inner radius 7.9 mm. The mass of the disk is 464 grams(HINT: the parameters of the disk are the...
- Q Calculate the length of the de broglie wave of an electron and aproton moving with a kinetic energy of 1keV. For what values ofkinetic energy will their wavelength be equal...
- Q what does the H2 vector in this environment when a magneticfield in the air environment with relative magnetic permeability 1has a value of H1= 3 ax -4ay +5az and enters...
- Q P1.- A high diver leaves the end of a 5.0 m high diving boardand strikes the water 1.3 s later, 3.0 m beyond the end of theboard. Considering the diver...
- Q AssessmentFrictionFriction resists motion. If an object is stationary, frictiontries to keep it from beginning to move. If an object is moving,friction slows it down and tries to stop it.In all...
- Q 1. Advanced skiers turn by sliding the backs of their skisacross the snow. Since the fronts of their skis don’t move much,the skis end up pointed in a new direction.a....
- Q 1. A 5.40 g coin is placed 17.0 cm from the center of aturntable. The coin has static and kinetic coefficients of frictionwith the turntable surface of μs = 0.810...
- Q List and briefly discuss three significant considerations whenmeasuring very small currents. this qiestion is related tophotoelectric effect lab
- Q An acoustic signal is composed of the first three harmonics of awave of fundamental frequency 425 Hz. If these harmonics aredescribed, in order, by cosine waves with amplitudes of 0.630,0.900,...
- Q A Kaon K+ breaks down into twoparticles. From amongst the following three particles:π0 (neutral pion)η0 (eta meson)μ+ (anti-muon, identical to a muon except for itselectric charge)which one(s) can be formed...
- Q Which interaction is most useful for producing a diagnosticX-Rays image: photoelectric effect, Compton effect or pairproduction? Why?
- Q 1. A new car is tested on a 290-m-diameter track. If the carspeeds up at a steady 1.2 m/s2 , how long after starting is themagnitude of its centripetal acceleration...
- Q A 3.20-m-long, 500 kg steel uniform beam extends horizontallyfrom the point where it has been bolted to the framework of a newbuilding under construction. A 70 kg construction worker stands...
- Q Thestate of strain at the point on the spanner wrench has componentsεx = 260(10-6), εy = 320(10-6), γxy= 180(10-6). Use thestrain-transformation equations to determine (a) the in-planeprincipal strains and (b)...
- Q 3)A person with mass m1 = 80 kg stands at the left end of auniform beam with mass m2 = 100 kg and a length L = 4.0 m. Anotherperson...
- Q DIFFERENTIAL EQUATIONSAn 8-lb weight is attached to the lower end of a coil springsuspended from a fixed support. The weight comes to rest in itsequilibrium position, thereby stretching the spring...
- Q Cover chapter 2 (solar and IR radiation) and the beginning ofchapter 3 (thermodynamics) of the Stull book.Write out the questionbefore responding to the question. Perform a units check for eachformula....
- Q The pilot of rocket A, moving at a velocity of 0.8c relative toearth, observes a second rocket B that moves along the same lineapproaching him from behind at 0.7c. What...
- Q Acertain honest wheel of chance is divided into three equal segmentscolored green (G), red (R), and yellow (Y), respectively. You spinthe wheel twice and take the outcome to be the...
- Q how to find intial velocity when you are given distance andacceleration? can you give an example and answer?
- Q Please include diagrams:a) A 100-W light bulb and a 40-W light bulb are both rated athousehold voltage. i) Which light bulb will be brighter if the twobulbs are connected in...
- Q While working on the digital effects for Star Wars XXIII, youfind yourself responsible for a scene in which a TIE fighter (ofmass m) crashes and embeds itself into a Star...
- Q a. A horizontal platform in the shape of a circular disk ( I =1/2 MR2) rotates in a horizontal plane about africtionless vertical axle. The platform has a mass M=200kg...
- Q High-voltage lines transmit needed power from energy providersto homes andbusinesses, but exposure to the electric fields from power linesmay have undesiredeffects. Research and assess the effects of exposure tohigh-voltage lines...
- Q Calculate the binding energy of the 2H nucleus andthe 56Fe nucleus.
- Q examine and explain the performance characteristics andapplication of different oscillators while designing radioreceivers. (1000 words)please cite references
- Q How should one REALISE Classical and Quantum ACTION.(Pleaseexplain both)That is,what in PERFECT sense is its Physical or Mathematicalinterpretetion + intuition + need + use + origin?!
- Q Q/ If E is a macroscopic field inside the dielectric , andconsider an atom at position R , Draw a sphere of radius â„“ (Lorentz sphere) about R. suppose( l...
- Q Suppose that you are designing a parachute so that the terminalvelocity using the parachute will be the same as the velocity atthe end of a normal (frictionless) jump from a...
- Q How is energy deposited in the interaction with matter of eachof the following? photons, electrons, alphas, neutrons. Is the fullenergy of the radiation deposited? If not, where does the rest...
- Q Make a long line of positive charges by placing them very closetogether. How does the field change as you move down the line ofcharges?
- Q When someone falls from a tall building, the most effective wayto save him is to provide a net at the bottom so that the personslows down himself conveniently without hurting...
- Q A pendulum is swinging in an elevator that is acceleratingupward at a constant acceleration a. (a) Using the Lagrangianmethod, what is the equation of motion? Note be careful here, thevelocity...
- Q A sample of an unknown material appears to weigh 300 N in airand 222 N when totally immersed in alcohol. What are (a) the volumeand (b) the density of the...
- Q (d) Given a condition with three different windvelocities, u1, u2 and u3 fluctuating towards a base station, whichhave different heights, let say z1 , z2 and z3. Apply thecorrelation function...
- Q Show what the expression E • J represents in field theory, whatwould its analogous expression be in circuit theory?
- Q Driving down a quiet street on a summer day with the car windowsdown, you see a convertibleapproaching from the opposite direction, with the driver playingher car stereo loudly. Having awell-trained...
- Q What's the difference between direct and indirect measurements?and which is better
- Q A point particle slides frictionlessly down a sphere, startingfrom rest a the top(θ=0). Show that the particle leaves the spherewhen cos θ= 2/3. Use lagrange multiplier instead of newtonianmechanics
- Q A very long coaxial cable consists of a solid cylindrical innerconductor of radius 3.8mm , surrounded by an outer cylindricalconductor with inner radius 7mm , and outer radius 9.3mm ....
- Q A uniform thin rod of length 0.4 m and mass 0.5 kg can rotate ina horizontal plane about a vertical axis on the left end of therod. The rod is...
- Q What mass of steam at 100∘C must be added to 1.90 kg of ice at0∘C to yield liquid water at 15 ∘C? The heat of fusion for water is333 kJ/kg...
- Q Inan experiment where you are calculating the velocity of the shuttleusing an airtrack what would be some random and systematic errorsthat may occur ? How would each error propagtes to...
- Q When a potential difference is applied to the piece of metalwire, a current of 4.1 mA flows through it. if this wire isreplaced with a silver wire having twice the...
- Q Suppose that a particle with charge q and mass m is initially atthe origin with zero velocity in the presence of external electricand magnetic fields given byE = (Ex, 0,...
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