Physics question and answers for July 16, 2023
- Q Calculate the angle of incidence for the PV panel installedinBrampton, at 3:00 p.m. July 10, facing due south with a tiltanglesame as the latitude. If the solar insolation at this...
- Q We usually assume that your weight as measured by a scale isequal to the magnitude of the gravitational force that the earthexerts on you. Because of the rotation of the...
- Q Faraday's Law: What would you observe about the amplitude of aninduced signal as the frequency varied? Describe whether thebehavior is consistenent with Eq. 3 (Vo= w(Nd)A(Bo)cos(theta)). Inparticular what should your...
- Q In the picture a man climbs a ladder leaning at 500 abpve thehorizontal. The static friction coefficient between the ladder andground is .6, the ladder is 3 meters long and...
- Q A square rod of length L0 = 2.45m and sidelength d = 6.78cm iscompressed with a force of |Fc| = 90.8N in the direction of thelong axis. (a) What is...
- Q How tall must a water-filled manometer be to measureblood pressures as high as 300 mm Hg?
- Q A cookie jar is moving up a 40° incline. At a point 55 cm fromthe bottom of the incline (measured along the incline), the jar hasa speed of 1.8 m/s....
- Q A 3.0 kg cart moving to the right with a speed of 1.0 m/s has ahead-on collision with a 5.0 kg cart that is initially moving tothe left with a...
- Q Onespeaker A is located in origin and another speaker B, is located atthe point (3.0), the units in the xy-plane are measured in metersand the speakers are the same. At...
- Q The most efficient way to send a spacecraft from the earth toanother planet is by using a Hohmann transfer orbit (thefigure (Figure 1)). If the orbits of the departure and...
- Q a) Calculate the wavelength of x ray emitted when 35-keVelectron collies with on molybdenum target.b) A single electron orbiting a hydrogen nucleus moves fromenergy level E4 to E2.Calculate the energy...
- Q A 14 mm high object is 11 cm from a concave mirror with focallength 16 cm. Calculate (a) the location of the image, (b) theheight of the image, and (c)...
- Q One method of measuring the mass of a virus particle is to usea laser to measure the oscillation frequency on a thin siliconwafer that is 28nm long. Then you put...
- Q Three polarizing disks whose planes are parallel and centred oncommon axis. The directions of their transmission axes relative tothe vertical are respectively: θ1 = 34oclockwise, θ2 = 16o counter-clockwise, andθ3...
- Q Athin film of ?g?2 has a refractive index n = 1.38 and it isdeposited on glass as an anti-reflective layer/stratum for lightwith wavelength 580nm that falls in the normal direction...
- Q A) The emissivity of the human skin is 97.0 percent. Use 35.0 °Cfor the skin temperature and approximate the human body by arectangular block with a height of 1.84 m,...
- Q The cornea, a boundary betweenthe air and the aqueous humor, has a 3.0 cm focal length whenacting alone.What is its radius of curvature?
- Q The primary optical element of the Hubble Space Telescope (HST)is 3.2 m in diameter and has a focal length of 62 m. (Treat it as asimple, single lens for this...
- Q I just wanna ask a simple question, but i need some explanation about it.What is the Physical quantities (Probably Wavelength or somethinglike that) that causes every people has their own...
- Q a) Plot the structure of p-channel MOS-FET (Showsemiconductor structure, gate, drain, sourceand voltage polarities) and summarize the working principle.b) Explain what happens if you change drain source voltagepolarity.c) Plot the...
- Q 2. The LC circuit’s charge could be described by thissecond-order differential equationLd2qdt2+Cq=0where q is the time-dependent charge in the circuit, L isinductance, and C is the capacitance.The solution to that...
- Q 1. a Calculate the natural log of the capacitor voltage for eachtime pointb. Add a linear trendline to your graph and display the best fitequationc. Record the slope from your...
- Q The radioisotope 15O (t1/2 = 122s) is used to measure respiratory function. Patients inhale thegas, which is made by irradiating nitrogen gas with deuterons(2H). Consider a cubical cell measuring 1.24...
- Q Explain the procedure of creating a direction field (by hand) inyour own words. Then explain how Euler's method works and whysomeone uses Euler's method. Your response should be about 250words.
- Q A sinusoidal electromagnetic wave propagates in a vacuum in thepositive x-direction. The B⃗  field oscillates in thez-direction. The wavelength of the wave is 30 nm and the amplitudeof the B⃗  field oscillations...
- Q Diffusion is a key element of integrated circuit fabrication.Describe the two basic heat treatments that are used to diffuseimpurities into silicon during this fabrication process.
- Q Investigate the use of electron beam lithography to make smallstructures. Find an example in the literature. Explain itsadvantages and limitations.
- Q 1. How is magnetism no more than electrostatics combined withspecial relativity? Explain.
- Q 7. Compare the energy needed to move 20 people 10km with 5 carsof 4 people with 3 stops at a speed of 70km / h.With a bus that stops every...
- Q Hobbis et al (Inorg. Chem.,2019, 58 (3), pp 1826–1833) thoroughly examined the properties of aniobium-iron-antimony semiconductor material. Although theirreported synthetic procedure was a fairly straightforwardstoichiometric melting and subsequent crystallization of...
- Q Infrared spectroscopy takes advantage of the ability of covalentbonds in a molecule to absorb light of certain energy. To assignparticular peaks in an IR spectrum to a certain type of...
- Q for each circuit component tested, write a brief analysis of thecomponent. Explain how you know whether it is \"ohmic\" or not.Testing Ohms LawComponent 1: LampComponent 2: ResistorComponent 3: LEDComponent 4:...
- Q You are investigating two mysterious objects with massM = 0.7 kg and diameter R = 0.2 m, which arerolling down a slope without slipping. The slope makes an angle θ...
- Q An individual performs two drop landings from the exact sameheight above two different basketball floors. The first landing isonto a suspended basketball floor (hardwood suspended above theconcrete/ground). The second landing...
- Q For ALL problems, state hypotheses, in words andsymbols and give me everything listed below. Use SPSS whenappropriate but DO NOT print out and turn in SPSSoutput.  Instead, just read the criticalinformation...
- Q An ambulance traveling eastbound at 114.0 km/h with sirensblaring at a frequency of 6.50 ✕ 102 Hz passes cars traveling inboth the eastbound and westbound directions at 59.0 km/h. (Assumethe...
- Q Apply ?̂2 and ?̂?operator on the following wavefunctions,a. ( 3 4? ) 1/2 ????b. ( 3 8? ) 1/2 ???? ? ??c. ( 3 8? ) 1/2 ???? ? −??What...
- Q 1. Consider a convex lens with a focal length of 5.50 cm. Anobject is located at 13.50 cm. The object is 6.00 cm tall. Draw theray diagram to scale. Determine...
- Q .a) First, the Coulomb force is the centripetal force; set thetwo expressions equal to each other and solve for mv.b) Secondly, the angular momentum of the orbiting electron isquantized. Set...
- Q Write a detailed definition of each of the following terms andprovide an example of the term or how it would be used. Yourexample should demonstrate an understanding of the term...
- Q In a mass spectrometer, a positive ion with chargeq=1.602x10-19 coulombs is accelerated by a potentialdifference of 1000 volts (Ec=-V). Once out of the influence of theelectric field, a uniform magnetic...
- Q Â A point charge of 6.0 x10-8 C sits on the floor in the middle of a room that is 10 m long. You hold a small cardboard square measuring 1.0...
- Q How is Q-point defined in a bipolar transistor?
- Q Virtually no one acknowledged Newton's work during hislifetime.  True   FalseWhat is the force of gravity (in Newtons) acting between theEarth and a 125-kg person standing on the surface of the Earth?A planet...
- Q 3. Explain the fundamental parts of the HeNe laser indetails.
- Q A circularly polarised beam of light with a vacuum wavelength of1.55 micro meters is incident on a two cascaded quarterwave-plates, followed by a third unknown wave-plate. The lightemerging from the...
- Q BTwo slits separated by a distance of d = 0.12 mm are located ata distance of D = 670 mm from a screen. The screen is orientedparallel to the plane...
- Q With proper illustrations, show the working of voltage regulatorthrough Zener Diode
- Q Why do we require transistor biasing? Among the biasing schemes,which one is preferred? Give reasons.
- Q 1.Which of the following statements for Kıc is incorrect?a) It depends on specimen thickness.b) In this condition, specimen thickness is much greater than thecrack dimensionsc) Kıc is valid in case...
- Q A stone fell from sleep in a well and heard the sound ofhitting the surface of the water after a time of 1.0sThe depth of the water surface Y is...
- Q Outside the nucleus, the neutron itself is radioactive anddecays into a proton, an electron, and an antineutrino. Thehalf-life of a neutron (mass = 1.675 × 10-27 kg) outside thenucleus is...
- Q One of the explanations for the accident with TWA 800 (explodedin midair after takeoff from JFK airport in New York) was asfollows: wire cuts in the vicinity of the central...
- Q The figure below shows a stream of water in steady flow from akitchen faucet. At the faucet, the diameter of the stream is 0.960cm. The stream fills a 125-cm3 container...
- Q A tank holds a 1.44-m thick layer of oil that floats on a 0.96-mthick layer of brine. Both liquids are clear and do not intermix.Point O is at the bottom...
- Q Interactive LearningWare 22.2 reviews the fundamental approachin problems such as this. A constant magnetic field passes througha single rectangular loop whose dimensions are 0.29 m x 0.61 m. Themagnetic field...
- Q How long does it take electrons to get from the car battery tothe starting motor? Assume the current is 149 A and the electronstravel through copper wire with cross sectional...
- Q We can calculate the mass of a galaxy by observing how faststars are moving around its edge. Further we can estimate how manystars are in that galaxy using an average...
- Q four light bulbs arr to be connected in a house. which of thefollowing combinations will make the bulb glow highest?a. all 4 parallelb. 2 in series and 2 in parallelc....
- Q some people describe Newton's second law as a quantitativeversion of Newton's first law . Describe how this makes sense.
- Q Bob has just finished climbing a sheer cliff above a beach, andwants to figure out how high he climbed. All he has to use,however, is a baseball, a stopwatch, and...
- Q There are two discs of masses 3.0 kg and 2.0 kg and radii 10 cmand 5 cm, respectively. The discs are rotating about theirrespective center of masses with angular speeds...
- Q In outer space rock 1, with mass 3 kg and velocity < 3500,-2500, 3200 > m/s, struck rock 2, which was at rest. After thecollision, rock 1's velocity is <...
- Q i) Find the angular separation between the red hydrogen-αspectral line at 656 nm and the yellow sodium line at 589 nm if thetwo lines are observed in third order with...
- Q howwould you compare a block spere represantation of computationalbasis states lying at 180 degree angle and a complex planereprsentation where they are unitary and ly at 90 degreeangle
- Q Describe and explain the best constructive interference combinationfor I see growth in the northern hemisphere
- Q a. Explain why filtering of an X-ray beam causes a simultaneousdecrease in beam quantity and increase in quality [a diagram may beuseful]b. The two main mechanisms by which X-rays interact...
- Q A0.30kg object with a speed of 2.0m/s in the positiove x-directionhas a head on elastic collision with a stationary 0.70kg objectlocated at x= 0. what is the distance separating the...
- Q a) Plot the structure of p-channel MOS-FET (Show semiconductorstructure, gate, drain, source and voltage polarities) andsummarize the working principle. b) Explain what happens if youchange drain source voltage polarity. c)...
- Q 1.  An insulated container contains 1.20kg of waterwith 0.73kg of ice floating in it.  You place a block ofiron with mass of 4.60kg in this ice bath.  The iron isinitially at a temperature...
- Q Nikola Tesla y Thomas Edison are well known for their inventionseven though they both had an idealistic war between them. One ofthem promoted the continuous current (DC) while the other...
- Q Write an 8051-assembly language program for the interfacing ofADC0804 and LM35 to display the room temperature on 16x2 LCD(10marks)please note that the program should be interfacing withADC0804.
- Q 1- An electron moving in a metal nanowire is a reasonableapproximation of a particle in a one-dimensional infinite well.Suppose the electron is in a wire 10nm long. (a) Compute theground-state...
- Q A communications satellite is in a synchronous orbit that is3.61×107 m directly above the equator. The satellite is locatedmidway between Quito, Equador, and Belem, Brazil, two cities almoston the equator...
- Q Consider collision problems. Real-world collisions are rathercomplicated to capture in full and we approximate them by specialcases. Name the two basic collision types we use to describe andidealize real-world collisions....
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