Physics question and answers for July 03, 2023
- Q A dielectric slab of thickness b and dielectric constant k isplaced between the plates of a parallel plate capacitor of platearea A and separation d. A potential difference ?o is...
- Q PLEASE PROVIDE MORE THAN 5 SENTENCES IN DETAIL FOR EACHQUESTION.1. What is  Albert Einstein’s achievement? Whatproblem did that solve or whose theory did it fix?2. What was Albert Einstein’s ultimate dream...
- Q A wind turbine is rotating counterclockwise at 0.6 rev/s andslows to a stop in 12 s. Its blades are 23 m in length. (a) What isthe angular acceleration of the...
- Q Explain in detail how the perturbation (first and second degree)and variation approximation methods of quantum mechanics works.What are differences and similarities between the twoapproximations. Give examples of your own choosing...
- Q Research the hexagonal numbers whose explicit formula is givenbyHn=n(2n-1)Use colored chips or colored tiles to visually prove the followingfor .(n=5)[a] The nth hexagonal number is equal to the nth square...
- Q A hybrid car is a motor vehicle that uses two or more differentsources of power. In most hybrids, you will find an internalcombustion engine in addition to an electrical motor....
- Q A figure skater presses off the ice to begin spinning with herarms close to her body. After completing 2 turns in 0.8 seconds shemoves her arms further away from her...
- Q Photoelectric Test QuestionHere is a set of data from Millikan’s initial photoelectricexperiments:Wavelength (nm) Stopping Potential (Volts)254nm 2.57V313nm 1.67V365nm 1.09V405nm 0.73V434nm 0.55VV0 is the stopping voltage for each of the incident...
- Q 1. The experimental results in the table below represent realvalues from an experiment on the cat soleus muscle. For ourpurposes we will assume the muscle weighs 4 grams and is...
- Q An eagle is flying horizontally at a speed of 4.8 m/s when thefish in her talons wiggles loose and falls into the lake 7 m below.Calculate the speed of the...
- Q • Describe data quality issues when using multiple sources. *plscite
- Q 1.Write about the five factors that influence the diffractionintensity and write what kind of information the factors give tothe unknown psalm structure2. write powder, bulk, thin film diffraction experimencefeature
- Q Prove or disprove the following statement: If a hyperbolictriangle has three equal angles then its sides are also equal toeach other.
- Q The impact that digital radiography has on radiation protectionin terms of Automic Exposure Control?
- Q Find the frequency of small oscillations for a thin homogeneousequilateral triangular plate if the motion takes place in the planeof the plate and the plate is suspended from one apex.
- Q Find the coordinate transformation and the stationary metric inthe rotating reference system with the angular velocity \omegaω.Stationary metrics are those, which are invariant undertime--translations, but are not invariant under time--reversaltransformation....
- Q Steam at 100°C is condensed into a 54.0 g aluminum calorimetercup containing 260 g of water at 25.0°C. Determine the amount ofsteam (in g) needed for the system to reach...
- Q Describe :* Rutherford's Experiment and the discovery of the atomicNucleus* Radioactivity* Geiger Counters* describe Radioactive Decay Law and the meaning of HalfLife
- Q The displacement of a wave traveling in the negative x-directionis y(x,t)= ( 5.2 cm )cos( 6.0 x+ 73 t), where x is in m and t is ins. What is...
- Q Consider the blackbody radiation emitted at a temperatureof500â—¦C.(i) Explain why a tungsten wire in an old-fashioned light-bulbstartsto glow as it becomes sufficiently hot.(ii) Calculate the percentage pressure increase of theblackbodyradiation...
- Q Describe The problem: Ultraviolet CatastropheE = h fE = n h fH = Planck’s constant = 6.62 x 10-34 Joule – Second  Quantum   singular  Quanta       plural*   Describe the Stephan - BoltzmannLaw...
- Q Describe the operation of the modern pressurized water nuclearreactor. Be sure to include information concerning fuel rods,control rods, moderators, steam turbine, and electricgenerator.
- Q You measure the distance, l, a projectile travels several timesusing the same apparatus and find the following values (cm): 5.11,4.89, 5.04, 4.94, 4.93, 5.06 and 5.09. Assuming that the errors...
- Q a. An astronaut holding a heavy object floats in empty space.When he throws the object, he finds himself moving in the oppositedirection. Explain, using conservation of momentum, why thisoccurs.b. A...
- Q Show that the creation of an electron-positron pair bya single photon is not possible in isolation. i e that additionalmass or ( radiation) must be present. ( hint: Consider the...
- Q A hydrogen atom has an angular momentum of According to the Bohrmodel, determine:A) The number of the orbit (main quantum number)B) The energy (eV) associated with this state.C) The radius...
- Q Validity, Soundness, Strength, Cogency - PracticeArguments 2Determine whether each of the following arguments is a deductiveargument or an inductive argument. If the argument is a deductiveargument, then evaluate the argument...
- Q When two blocks collide, they each experience the samemagnitude...(click ALL the correct responses)a- forceb- Impulsec- change in momentumd- change in velocity
- Q 1. Explain the effect of height and weight on the flating bodystability.a)discuss the effect of moving weight on the floating body.b)explain why it is important to determine the stability of...
- Q Ocean waves carry a lot of energy – according to the Bureau ofOcean Energy Management, about 2,640 TWh/yr (terawatt-hours peryear) off the immediate coast of the US. 1 TWh/yr is...
- Q (a) Derive a Maxwell relation from the exact differentialda = edx + gdy.(b) A gas container is separated by a partition and the volumeof the left side is half of...
- Q Twodifferent loads are fixed in a straight line on (or parallel to)the x axis, and they are 39.1 m apart. The charge on the extremeright is Q2 = -16.2C, and...
- Q What does it mean for a quantity to be conserved? Why areconserved physical quantities useful to physicists? Give an examplewhich illustrates the difference between three kinds of energy andthe transformation...
- Q In order to observe Landau levels and related effects, theseparation of the levels should be comparable to (or larger than)the thermal energy kBT. Calculatethe magnetic fieldneeded to satisfy this condition...
- Q A conducting sphere with a radius of R = 14.9 mm has auniform and constant surface charge density of a = 4.7 nC / m ?.What will be the magnitude...
- Q Show that in a parabolic potential well, the spacing between theenergy levels is constant. In semiconductors, parabolic potentialwells are often produced by using narrow square potential wellswhere the well to...
- Q What is the difference between method of images (mi) ,separation of variables (sv) and multipole expansion(me) ? What arethe signs that a problem is under mi, sp and me? What...
- Q M, a solid cylinder (M=1.83 kg, R=0.117 m) pivots on a thin,fixed, frictionless bearing. A string wrapped around the cylinderpulls downward with a force F which equals the weight of...
- Q Part 1)Suppose you walk 16.5 m straightwest and then 22 m straight north.  50% Part (a) How far are you, inmeters, from your starting point?50% Part (b) What is the compass...
- Q Suppose that a bowling ball collides elastically with a row ofstationary bowling ballsall of the same mass. All the bowling balls are confined to moveonly along the gutterbeside the lane...
- Q Suspended Mass (kg)Weight of Suspended Mass (mass x 9.8 m/s2),NewtonsTime (sec)Average TimeAverage Time2d (m)2d (m)Acceleration = 2d/t23 Washers0.01430.14NTrial 1:1.761.84 s0.34 m/s20.6m1.2m0.35 m/s2Trial 2:1.86Trial 3:1.904 Washers0.01910.19NTrial 1:1.501.1 s1.21 s20.6m1.2m0.99 m/s2Trial 2:1.50Trial...
- Q An inclined plane is sliding, and accelerating, on a horizontalfrictionless surface. There is a block at rest on the slopingsurface, held in place by static friction through the horizontalacceleration of...
- Q The central receiver of a solar power plant is in the form of acylinder 7m in diameter and 13 m high. A tower supports thereceiver high above the ground, and...
- Q Four identical particles of mass 0.738 kg each are placed at thevertices of a 4.28 m x 4.28 m square and held there by fourmassless rods, which form the sides...
- Q Describe the properties of vibrations in a monatomiclattice.
- Q Rotation: (a) The Sun orbits the center of the Milky Way at aspeed of 220 km/s and a distance of 8 kpc. How much mass isinterior to the Sun’s orbit,...
- Q Part 1:Things that attract little bits of paper are said to beelectrically charged. The attraction is one kind of electricalinteraction.Using the available equipment listed above, developaconsistent way to charge and...
- Q If an echo is not received within the receiving time of a radar,what should be done to receive the echo? Discuss all possiblecases.
- Q How much force could you exert on a large crate if you wanted toget it moving? One thing the answer depends on is whether you cankeep your footing.a) Imagine someone...
- Q A closely wound coil has: radius of 5cm, 200 turns, andResistance of 10 ohms. There is a 10.0mA of constant current in thesearch coil. The magnetic field through the coil...
- Q I NEED 4 SOLID PARAGRAPHS ABOUT:Discuss the nature of lightning and how it relates to theearth’s weather. Provide details on the electrification of cloudsthe generation of positrons (anti-matter) and the...
- Q Consider the child's playground merry-go-round wheel.Merry Go Round If the steel disk has mass of 200 kg and a radiusof 2 meters you can make it spin by applying a...
- Q Can I have eight to ten sentences (paragraph form) describing ofthe Parthenocissus quinquefolia (Virginia creeper) of the Vitaceaeplant family? Please include in these sentences, the flower,leaves, stems, fruit, general and...
- Q (A) Indicate the selection rules for atomicelectronic transitions and the transitions allowed between theelectronic levels 2S1/2,2P1/2 and 2P3/2(B) Indicate if the processes of inducedemission and spontaneous emission are resonant processes.
- Q For a 3D free electron gas, derive expressions for the Fermimomentum, Fermi energy, and density of levels. Then plot thedensity of levels and contrast its behavior as a function ofenergy....
- Q There is a liquid with a mass of 642 grams at a temperature of24 degrees C and a specific heat of 3770J(kgC) A 50 gram ice cubeat 0 degrees C...
- Q The metabolic energy generated in the person is3.8x106 J in a 6 hour period, and this is balanced bycooling of the body by 2.6 L of perspiration and radiative cooling(you...
- Q Â Record your lab data regarding photogate positions and times in the table below, converting the units as needed. Order the entries from shortest distance to longest.#Position (m)Time (s)140 cm0.05 s250...
- Q A pion decays into a muon and a neutrino. Let’s model this decayas A → B+C, where A has a mass of M, B is a massless particle ofenergy 1/4...
- Q The data below were reported for human immunoglobulin G(IgG) at 20ºC in dilute aqueous buffer.M = 156,000 g/molD = 4.00 x 10-11 m2/sνB = 0.739 mL/gPart APlease use Stokes-Einstein diffusion...
- Q STEP BY STEP PLEASEViscosity measurements for a vegetable (olive) oil asa function of temperature produced the following dataTemp (C) 20 30 40 50 60 70 80viscosity (cp) 81.9 53 36.3...
- Q Radioactive DecayObjective: to study the radioactive decay of materials.Understand the  concept of half life and randomness ofthe radioactive decayRun the case of H3 decay to He3:Go to “Multiple Atoms†tabStart with...
- Q A8-g bullet moving horizontally with speed of 250 m/s strikes andremains in a 4.0-kg block initially at rest on the edge of a table.The block, which is initially 80 cm...
- Q determines the specific heat of the iron if 50 g of cloves are placed in 100 ml of cold water at 10º C and 100 ml of hot water at...
- Q cylindrical container with circular hole at the bottomwith diameter d , is filled with water to height h . Which of thefollowing statement is correct for the itime required to...
- Q Let’s consider that Taco Palenque is the origin of a cartesianreference frame. Mrs Garcia and Mr Garza are standing in front ofTaco palenque. – In the defined reference frame, what...
- Q What is the greatest electronic invention? Please explain brieflyin not less than 500 words. Thank you
- Q In a laboratory an electron is given a kinetic energy of .400MeV and sent to the right. A spacecraft moves to the right with aspeed of .50c with respect to...
- Q How does the quantum description of reality, which includeselements such as the superposition of states and wavefunctioncollapse or quantum decoherence, give rise to the reality weperceive? Another way of stating...
- Q If I change the actual frequency of an object in circularmotion, does this effect the range of observed frequencies heard ata certain distance away from the moving object? For example,...
- Q An iron sphere has a radius of 0.7 meters and itssurface temperature is 400 K. It is surrounded by air whosetemperature is 300 K. The emissivity of iron and air...
- Q In a certain scattering experiment, protons with mass m arefired with initial kinetic energy K0 (momentum p0) at a targetconsisting of helium atoms (the mass of a helium atom isapproximately...
- Q Two travelling sinosoidal electromagnetic waves, each with anintensity 5.0 W/m2 , interfere to form a standing wave. Theresulting electric field E⃗ (z,t) has nodes (i.e., is zero at alltimes) at...
- Q Discuss nuclear gas cycle in detail. Please make a diagram ofnuclear gas cycle integrated with Multi-effect distillation withdetailed explanation.
- Q A mass weighing 16 pounds stretches a spring83feet. The mass is initially released from rest from a point 7feet below the equilibrium position, and the subsequent motiontakes place in a...
Get Answers to Unlimited Questions
Join us to gain access to millions of questions and expert answers. Enjoy exclusive benefits tailored just for you!
Membership Benefits:
- Unlimited Question Access with detailed Answers
- Zin AI - 3 Million Words
- 10 Dall-E 3 Images
- 20 Plot Generations
- Conversation with Dialogue Memory
- No Ads, Ever!
- Access to Our Best AI Platform: Flex AI - Your personal assistant for all your inquiries!