Physics question and answers for August 31, 2023
- Q 3.a) Find the acceleration of gravity at the height of 2.0 x106 above the earth.b) A spherical asteroid that is the size of Texas would have amass about 2.4 x...
- Q A 30 gallon cylindrical drum is filled with water and isslowlydrained from its base. Let h = the height of water left inthedrum. If the empty drum has a height...
- Q What is drift velocity?
- Q The electric potential immediately outside a charged conductingsphere is 220 V, and 10.0 cm farther from the center of the spherethe potential is 140 V.(a) Determine the radius of the...
- Q Question 98)Part 1)A charged cloud system produces an electric field in the airnear Earth's surface. A particle of charge -2.1 × 10-9 Cis acted on by a downward electrostatic force...
- Q 3.c Compare and contrast the interference fringe patterns of aFabry-Perot interferometer and aMichelson interferometer, with eachinterferometer illuminated in the same way by a divergent laserlight beam and with equal path...
- Q To supply heated air to a house, a high-efficiency gas furnaceburns gaseous propane (C3H8) with a combustion efficiency of 96percent. Both the fuel and 40 percent excess air are supplied...
- Q Achondroplasia is a dominant trait that causes a characteristicform of dwarfism. In a survey of 50000 births, five infants withachondroplasia were identified. Two of the affected infants hadaffected parents, while...
- Q A 0.78-kg block and a 0.56-kg block sits on a rotating disk.They are connecting by a 12-cm long string. The coefficients ofstatic and kinetic friction between the block and disk...
- Q 13) There are several types of drag on a car other than airresistance. Effects having to do with the squeezing of the tires(rolling resistance) and frictional forces in the drivetrain...
- Q Write down a generic molecular Hamiltonian (or, if you want aconcrete example, the one for H2). Then using words and equations,show precisely what steps and approximations are made to ultimatelycome...
- Q what is the HR path a 9-10 solar mass star takes whenit dies
- Q A road heading due east passes over a small hill. You drive acar of mass mat constant speed over the top of the hill, where theshape of the roadway is...
- Q Read: A block, with mass 1.17 kg sitting on an incline plane at5.20° with a friction coefficient, ??=0.450, is attached to anotherfreely hanging block that weighs 2.01 kg. A pulley...
- Q Please briefly answer all the questions below, and writing thoseclearer and tidier (It is best to use typing)This is a problem related to the nanoscale manipulation.Please compare various manipulation methods,...
- Q Please briefly answer all the questions below, and writing thoseclearer and tidier (It is best to use typing)This is a problem related to the scanning tunneling microscopy(TEM).Please describe how the...
- Q Please briefly answer all the questions below, and writing thoseclearer and tidier (It is best to use typing)This is a problem related to the transmission electronmicroscopy (TEM)What is the difference...
- Q 6b2. Discuss two laser characteristics that are important forevaluating use in materials processing (laser cleaning, cutting, orwelding).
- Q 1. Describe the early history of the Sun. What did it start as?What lead to it becoming a smallish main sequence star? 2. Describethe future of the Sun. Roughly how...
- Q Answer each of the following questions in one paragraph.If you want/need, you can supplement your written explanation withdiagrams or equations.2. Using the Michelson-Morley experiment as an example, explainwhy classical mechanics...
- Q For the followingquestions please use more detail than the band theoryexplanation.1a) What atomic energylevels combine to form the valence band?? Please specify thespecific energy levels; a diagram will help!1b) What...
- Q 5b. Describe the basic physics aspects of photoemission and itsapplication in a vacuum photodiode.
- Q Launch a book from a cannon which is inclined at 45 degree tothe horizontal and facing east. Write pertinent formulas andcalculations that explains the motion of the book through space.Consider...
- Q Two equal mass object experience a totally inelastic elasticcollision. Mass 1 has an initial velocity of 10 m/s in the negativey-direction. Mass 2 has an initial velocity of 10 m/s...
- Q a) A tumour located at a depth of 10 cm is treated using anon-isocentic technique with a Co-60 machine, to a dose of 1.8 Gy,with a single 5 cm x...
- Q A tumour located at a depth of 10cm is treated using anon-isocentric technique with a Co-60 machine, to a dose of 1.8 Gy,with a single 5cmx5cm beam.a) Compute the maximum...
- Q a) A tumour located at a depth of 10 cm is treated using anon-isocentic technique with a Co-60 machine, to a dose of 1.8 Gy,with a single 5 cm x...
- Q a tumour located at a depth of 10 cm is treated using anon-isocentic technique with a Co-60 machine, to a dose of 1.8 Gy,with a single 5cm x 5cm beam....
- Q A tumour located at a depth of 10 cm is treated using anon-isocentic technique with a Co-60 machine, to a dose of 1.8 Gy,with a single 5 cm x 5...
- Q Two identical double-pipe heat exchangers areconstructed of a 2-in standard schedule 40 pipe placed inside a3-in standard pipe. The length of the exchangers is 10 ft; 40gal/min of water initially...
- Q 1) Sinusoidal Motion Properties in Spring Mass System- A 200gmass hangs from vibrating spring at lowest point of 3cm above tableand at it's highest point at 12cm above table. It's...
- Q A toroid with inner diameter of 3 cm, outer diameter of 5 cm,and height of 0.1 cm is made of a body-centered-cubic (bcc)paramagnetic material with lattice parameter equal to 0.5...
- Q Use the band structure diagram for each element below toexplain:a. Sodium, which has two atoms in a bcc (conventional cubic)unit cell, is a metal;b. Calcium, which has four atoms in...
- Q Consider two point charges located on the x axis: onecharge, q1 = -13.0 nC , is located at x1 = -1.715 mm ; the secondcharge, q2 = 33.5 nCnC ,...
- Q A black hole with a mass of 10 9 M Sun brightens rapidly andincreases its luminosity by a factor of two. Approximately how longwould it take for an observer on...
- Q Please briefly answer all the questions below ,and writing those more clearer and tidier (It is best to use typing)This is a problem related to the spectroscopy.Please describe two different...
- Q The amount of spreading of light after it goes through anopeninga. would be larger if the opening got narrower, just as wouldhappen to sound.b. the amount of interference after two...
- Q Please briefly answer all the questions below ,and writing those more clearer and tidier (It is best to use typing)This is a problem related to the transmission electronmicroscopy (TEM)Please describe...
- Q The only visible spectral lines of hydrogen are the four Balmerseries lines (transitions to n=2). We wish to cause hydrogen gas toglow with all its characteristic visible colors.a) To how...
- Q How does optical tweezer relate to force andflow?please i need specific answer for each part not fromgoogle and no handwritten.
- Q PartitionsShow that the number of partitions of an integer n into summandsof even size is equal to the number of partitions into summandssuch that each summand occurs an even number...
- Q define thermocouples
- Q A mirror creates an image that has a height of 2.50 cm that isbehind the mirror and 167 cm from the object.The image was createdfrom a 5.00 cm tall object....
- Q Each of two small spheres is charged positively, the combinedcharge being 7.40E-05 C. If each sphere is repelled from the otherby a force of 3.50 N. when the spheres are...
- Q A non-conducting spherical shell of inner radius R1 and outerradius R2 contains a uniform volume charge density p through theshell. Use Gauss's Law to derive an equation for the magnitude...
- Q given a diagnostic radiograph, describe how the exposuretechnique would be adjusted for individual changes in mAs orexposure time, kVp, grid ratio, beam collimation, SID, film-screenRS, and patient thickness
- Q What is the specific formula for Air Quality Index(AQI)? and how is it calculated ?I want to know specifically about it and is there anyonewho is expert in aerosol physics....
- Q An electric eel generates electric currents through its highlyspecialized Hunter's organ, in which thousands of disk-shaped cellscalled electrocytes are lined up in series, very much in the sameway batteries are...
- Q I want you guys to rewrite this lab procedure, and it is fine ifit was shorter than this.An air track was fitted with two photocell bridges, one on eachside of...
- Q What is the difference between forms of energy, for example,potential and kinetic, and sources of energy, for example, tidaland solar?
- Q Why is the GM detector not capable of discriminating betweendifferent forms of radiation?
- Q Write a 5-10 sentence conclusion describing the changes intemperature for a solid, liquid, and gas affect the amount ofenergy and types of motion that each phase has and the randomnessof...
- Q Remarks It's interesting that the final resultdepends only on the coefficient of static friction. Notice also howsimilar Equations (1) and (2) are to the equations developed inprevious problems. Recognizing such...
- Q A rock sample is placed in a strength-testing machine atatmospheric pressure and is compressed axially to failure. A forceof 12,000 Ibf was required for rock failure, and the cross-sectional area...
- Q . Light travels at different speeds through materials due therefractive index of that material. Given that I have a transparentpolymer material, would light travel faster or slower through it ifit...
- Q a Ball is thrown upward from the top of a 23.5 m building with aspeed of 12.4 m/s. ignore air resistanceA) draw and label a figure with a coordinate system...
- Q 1.As a result of any natural process, the total entropy of anysystem plus that of its environment As a result of any naturalprocess, the total entropy of any system plus...
- Q In radiation safety classes, it is stressed that theamount of radiation that a person receives is to be ALARA (As LowAs Reasonably Achievable). Explain how distance, shielding and timemeet this...
- Q Describe the formation and travel direction (and why) of a NorthAtlantic hurricane that might impact North America
- Q Describe the process of “magnetic cooling†(adiabaticdemagnetization) for a paramagnetic salt in words (how and why doesit work?).Illustrate this process in an entropy - temperature diagram.
- Q Heat flows from a reservoir at 373 K to a reservoir at 273 Kthrough a 0.39-m copper [thermal conductivity 390 J/(s
- Q A parallel plate capacitor with adjustible plate separation dand adjustible area A is connected to a battery. The capacitor isfully charged to Q Coulombs and a voltage of V Volts....
- Q Newton’s Law of MotionIn thisexperiment, a cart is accelerated by a tension force, which iscaused by a hanging weight. We will use several trials to testNewton’s 2nd and 3rd Laws.Lab...
- Q (1) Imagine that we have an electron traveling due west from thecapitol of the united states steps. It is traveling at 98.94% ofthe speed of light.(a) What is the force...
- Q (Show all the steps please)Rotational Dynamics: Four objects of equal mass start at the topof an inclined plane. A solid cylinder, a thin walled cylinder, asolid sphere, and a thin...
- Q A 6.61-mm-high firefly sits on the axis of, and 14.1 cm in frontof, the thin lens A, whose focal length is 5.21 cm. Behind lens Athere is another thin lens,...
- Q A 175 g mass attached to a horizontal spring oscillates at afrequency of 2.80 Hz. At t =0s, the mass is at x= 7.00 cm and hasvx =− 35.0 cm/s...
- Q Suppose a certain laser can provide 140 TW of power in 0.96 nspulses at a wavelength of 0.25 ?m. How much energy is contained injoules in a single pulse?I will...
- Q Fluid Mechanics: A water tank is a cylinder 4 m in height and 2meters in diameter. The tank is full at timeto. The tank sits on a platform 12 m...
- Q Three odd-shaped blocks of chocolate have the following massesand center-of-mass coordinates: (1) 0.310 kg , ( 0.200 m , 0.310 m); (2) 0.410 kg , ( 0.110 m , -0.380...
- Q At time =0, a proton is at rest at location <4.7, 1.8, 0>x 10^-6m. An electron is at <2.9,8.7,0> x 10^-6 m. and ismoving with a momentum of <3.6,-7.8,0> x...
- Q 1) identify the processes that shape planetary surfaces andidentify the most common planetary process2) identify the processes that have taken place on the surfaceof Mars and Venus.3) identify the surface...
- Q What beat frequencies result if a piano hammer hits threestrings that emit frequencies of 127.7, 128.1, and 129.2 Hz? (Giveyour answers from smallest to largest.)HzHzHz
- Q An electron is accelerated inside a parallel plate capacitor.The electron leaves the negative plate with a negligible initialvelocity and then after the acceleration it hits the positive platewith a final...
- Q 1) describe how temperature influenced what materialscondensed from the nebular cloud.2) compare and contrast the composition of the inner andouter planets3) explain the frost line and the influence it has...
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