Physics question and answers for July 23, 2023
- Q Calculate the Fourier Series of the function below. Resultsshould be in full, closed-form series. Graph using Octave or Matlabto compare and check answer. Period is 2pi.f(x)= 1 for -pi<x<-pi/2, -1...
- Q Consider an object of massm1 = 0.360 kgmoving with a uniform speed of 5.40 m/s on a frictionlesssurface. This object makes an elastic head-on collision withanother object of massm2 =...
- Q only Answer part 4,5 and 6 of this question, thank you !A -4.00 nC point charge is at the origin, and a second -6.00 nCpoint charge is on the x-axis...
- Q A 0.200 kg ball starting from rest rolls down an inclined planewith θ=30°.a)Find the acceleration of the ball, and the magnitude of normalforce exerted by the plane.b) If it starts...
- Q An electron moves in crossed electric and magneticfields on a spiral (helical) trajectory. What are the values of therespective magnetic and electric fields, so that the radius of ahelix is...
- Q A wall consists of 3 cm of exterior wood and 2 cm of interiorwood separated by a 15 cm layer of polystyrene foam. If theinterior is kept at 19 °C,...
- Q what does the structure of our galaxy tell us about how ourgalaxy formed?
- Q The drawing shows an ideal gas confined to a cylinder by amassless piston that is attached to an ideal spring. Outside thecylinder is a vacuum. The cross-sectional area of the...
- Q 1) In softball, the pitcher throws underhand with the arm fullyextended (straight at the elbow). In a fast pitch the ball, of massm = 0.156 kg, leaves the hand at...
- Q 1.What are the three layers of magnetism?2.Why is current alternating?3.where can you find alternating current in everydaylife?4.why is power moved at a high voltage?
- Q Can someone please explain the Carnot Cycle graph in terms ofwhat equations to use and the concepts.This is what I think but I keep getting mixed up:Path A to B...
- Q Describe how the motion of aplanet (like Mars) among the stars of the zodiac on the sky isqualitatively different from the motion of an object like our Sunamong the stars...
- Q A 0.140 kg glider is moving to the right on a frictionless,horizontal air track with a speed of 0.720 m/s. It has a head-oncollision with a 0.302 kg glider that...
- Q A gun is used to shoot a target located at a distance of 100.0m.The gun is pointed horizontally at a height of 1.3 m above theground. At the impact with...
- Q In detecting the direction of a sound source, what factors aremost important at (a) low frequencies and (b) high frequencies?With reference to the structure of the human head, why isdiscrimination...
- Q A pendulum swings through an arc of 90.0° (45.0° on either sideof the vertical). The mass of the bob is 2.90 kg and the length ofthe suspending cord is 2.25...
- Q I did an experiment in which a cart on wheels is getting pulledby a pulley hanging off the surface. The pulley has a 50g hangerwhich causes the motion. The cart...
- Q Say our goal is to diffuse a gas into a liquid. What must we doto temperature and why to increase diffusion?Do you have any examples of where we experience diffusion(affected...
- Q In areas of enhanced heat flow, geothermal heating can be usedto supply heating to homes, either by using ground water directlyor by placing a water reservoir at depth. In Iceland,...
- Q An object 5 centimeters high is placed 15 cm in front of aconverging lens with focal length 5 cm. Using graph paper (turn thepaper so that the long side is...
- Q / a \"c\" flute creates the note c4 when it is played at itsresonance frequency, that is 261 ... Question: A \"C\" flute createsthe note C4 when it is played...
- Q John imagines himself on the beach playing some volleyball onceMemorial Day comes around. After a victorious game, John alwaysdreams of a cold cup of water but as his future holds...
- Q Q4. A restaurant in Suwaiq requires 85000 Whr of heat duringwinter season for the month of January to March to retain aconstant inside temperature of 295 K. If the solar...
- Q Describe how to differentiate from rod shaped particles, diskshaped particles, and a detector background signal in Small Angle X- Ray Scattering (SAXS).
- Q How are Aurora formed?
- Q Write a short account (400 words) on the properties ofthe three main types of ionising radiation.
- Q A parallel-plate capacitor with plates of area 590 cm2 and isconnected across the terminals of a battery. After some time haspassed, the capacitor is disconnected from the battery. When theplates...
- Q Whyis iron magnetic, but aluminum is not?
- Q If we have 5m3 of helium at 500K and 50,000Pa, what are thefinal pressure and temperature, an the change of energy, heatadded, and work done if the volume doubles a)...
- Q Will they have exactly the same fundamental(lowest) frequency? Explain
- Q ) A thin, straight wire carrying a currentIw=3.7A runs through the center of asolenoid, as shown below. The solenoid has a radiusR=0.12m, a length L=0.9m, and has N=75turns. A current...
- Q Calculate the terminal velocity in free fall of a bowling ball(mass of 7.2 kg, diameter of 21.6 cm) and a basketball (mass of0.51 kg, diameter of 23.85 cm). The bowling...
- Q Youre a student in the General Physics 1 course. Your friend thelawyer, contacts you to consult the case of a client of his who hasbeen injured in a traffic accident....
- Q The \"reaction time\" of the average automobile driver is about0.7 s . An automobile can slow down with an acceleration of 11.4ft/s2 . (a) Compute the total distance covered in...
- Q Explain and prove lorentz transformation.
- Q 0.7 kg of ice at 0 â—¦C and 3 kg of water at Ti are brought intothermal contact in an iso- lated container. All the ice melts, andthe mixture reaches...
- Q A rocket is nothing more than a fancy tube for carrying fuel andpayload—the more fuel/payload, the bigger the tube. Consider arocket carrying a mass of fuel ?; the mass of...
- Q Describe how a pn junction is formed
- Q Name three methods for nanomaterial synthesis. Briefly explaineach method. You may use sketches to illustrate your answers.
- Q A ball of mass 75g is thrown upward with an initial positivevelocity, vi, at position A.  Match the energy transformations taking place for each region ofthe ball's motion.Question 23 options:Moving from...
- Q According to quantum electrodynamics, there is a small butfinite probability that two photons may scatter against each other.Suppose two photons, with wavelengths λ1 and λ2, collide head-on.Compute the wavelength of...
- Q How does magnetism work?
- Q Find the momentum of a 13.6-MeV gamma ray; a 28-keV X ray; a4.0-μm infrared photon; a 213-MHz radio-wave photon.Express the momentum in kg · m/s and eV/c.(a) a 13.6-MeV gamma...
- Q 1. Calculate the approximate density of nuclear matter in g/cm3. What would be the diameter of a neutron star with the mass of twosolar mass (2M)?2. Calculate the binding energy...
- Q A 49.9- resistor and a 24.7- resistor are connected in seriesacross a 15.2-V battery. What is the voltage across (a) the 49.9-resistor and (b) the 24.7- resistor?
- Q Write two sentences or more sentences answering the following.Related to the Palm Springs Wind Farm or any wind farm.Pros and Cons of harvesting wind power.physics principles and parameters involved in...
- Q 1.To see why the amount of light produced by a black object mustonly depend on it’s temperature consider the following situation.Suppose you have two black square plates, each at the...
- Q After the initial cleanup effort at Three Mile Island,approximately 400,000 gallons of radioactive water remained in thebasement of the containment building of the Three Mile Island Unit2 nuclear plant. The...
- Q 1a.For the Rydberg equation for hydrogen, . RH is theRydberg constant and is equal to 1.09737 x 107m-1.For the Lyman series, n=1 and the photons are in theultraviolet. The shortest...
- Q Explain the method of assigning temporal and spatialscales to physical phenomena in fluiddynamics.
- Q A construction worker riding an open elevator is moving upwardwith a speed of 6.0 m/s. When he is 42 m above the ground heaccidentally drops a hammer. What are the...
- Q a) Jupiter's satellite orbits the planet on a nearly circularpath with a radius of 420,000 km and completes its orbit every1.769 days. Use Newton's universal law of gravitation to find...
- Q A number of years ago at an ACM SIGCSE Technical Symposium,there was a presentation from a school that created a datacommunications cart on wheels. This cart, amongst other things,contained a...
- Q An observer (O) is standing on a long tunnel that has a restlength of 12c.µs.  O sees a longtrain that he measures to be12c.µstravel through thetunnel at a speed of 0.600c....
- Q In the figure the four particles form a square of edge length a= 6.40 cm and have charges q1 = 8.91 nC, q2 = -19.0 nC, q3 = 19.0nC, and...
- Q You are exploring a new planet, Uzaz. You have a string 1.2 mlong, and a small object. You suspend the object from the string,and you observe that small-amplitude pendulum swings...
- Q Physical proof of Earth sphericity ?Q)a) Also stay at rest.Inertia is the property of mass in which an object atrest wants to stay at rest, and an object that ismoving...
- Q Post a two paragraph summary about one of the minor bodies inthe solar system.
- Q A converging lens has a focal length of 22 cm. Locate the imagesfor the following object distances if they exist. (Enter 0 in theq and M fields if no image...
- Q (3)(30 pts) Take a picture of a door of theroom where you are sitting now and attached it with your solutionto this test.(a) (10 pts) Estimate the mass, width andheight...
- Q Fluorescence has four important characteristics that make it auseful tool for examining the finer details of biologicalspecimens. Describe them.
- Q Explain the construction and working of a CO2 laser with asuitable energy level diagram.Find the ratio of the population of the two states in a He–Ne laserthat produces light ofwavelength...
- Q When red light (λr = 715 nm) illuminates a diffraction grating, asecond order maximum is seen at a vertical location y = 12.5 cm ona screen L = 45.0 cm...
- Q Discuss the various forms of tissue damage exploited in manycurrent clinical applications of surgical lasers and the variety ofavailable monitoring tools.
- Q If 2.00 m3 of water at 0∘C is frozen and cooled to -9.0 ∘C bybeing in contact with a great deal of ice at -9.0 ∘C, estimate thetotal change in...
- Q A 0.726-kg rope 2.00 meters longlies on a floor. You grasp one end of the rope and begin lifting itupward with a constant speed of 0.710 m/s.Find the position and...
- Q Write an essay about the expected life cycle of a star the massof our Sun. Please include the following in your discussion •molecular cloud • protostar • main sequence •...
- Q Gayle runs at a speed of 4.17 m/s and dives on a sled, which isinitially at rest on the top of a frictionless snow-covered hill.After she has descended a vertical...
- Q You are trying to study for a physics exam, but your kids keepdistracting you. You design a game where you can both play withyour kids and study physics. You take...
- Q Question 1 a) What is the significance of the N.A. numberinscribed on the outer barrel of an objective? b) What is meant bydepth of field? c) With an objective of...
- Q a 0.16 kg mass at the top of a 0.8 m high (vertical) incline. ifthis mass were a uniform, solid sphere (radius .057 m, like abilliard ball) and it is...
- Q A hunter is standing on flat ground between two vertical cliffsthat are directly opposite one another. He is closer to one cliffthan the other. He fires a gun and, after...
- Q The electrons in the beam of a television tube have an energy of13 keV. The tube is oriented so that the electrons movehorizontally from north to south. The vertical component...
- Q Pose a real life problem situation, where you need mechanicalphysics to solve it. The problem posed must contain the followingtopics, without limiting itself to this list:1. Conservation of Mechanical Energy2....
- Q Estimate the time needed for a glycine molecule (see Table 13?4in the textbook) to diffuse a distance of 29 ?m in water at 20 ?Cif its concentration varies over that...
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!