Physics question and answers for July 10, 2023
- Q Select a commercial antifreeze and for your own cartheoretically calculate the amount (volume in oz) of antifreezeneeded to prevent freezing of water in car’s cooling system at-34.0 OF.  Then compare this...
- Q 1. Derive each mathematical model of projectile motion andcompare each part of derive, ( projectile motion only, projectilemotion with wind force, projectile motion with wind force andprojectile motion with wind...
- Q a . what is the field of view under the low-power 10 Xb. what is a field of view under the high power using42Xc. what is a field of view...
- Q projectile motion with wind forcederive the math model adding in a wind force function,w(t), acting on the projectile during its trajectory.Considering an arbitrary w(t) that can be defined by theuser,Solve...
- Q If a transit depth of 0.00001 can be detected with the Keplerspacecraft, what is the smallest planet that could be detectedaround a 0.25 Rsun (1/3 the radius of our Sun)...
- Q You’re doing an experiment in a physics lab using ice and water.Do you have 1.5 kg water with temperature 28°C. You added 0.6 kgice with initial temperature -22°C. Assuming you...
- Q A cue ball traveling at 5.67 m/s makes a glancing, elasticcollision with a target ball of equal mass that is initially atrest. The cue ball is deflected so that it...
- Q According to the Department of Energy (DOE), 99 U.S. reactorshave generated 805 billion kilowatt hours of electricity in 2016.That is 20% of the U.S. energy generated that year and enough...
- Q Please answer the following questions about the picturedcircuit.A circuit with two batteries, and two loops (three loops if youcount the outer loop). The central section has resistor of 5-ohms.The left...
- Q Two point charges are held fixed on the y-axis:negative charge #1, q1 = −6.30 ✕ 10−9C, is located at the origin; charge #2, a positive charge,q2 = +8.30 ✕ 10−9...
- Q 4. Let r(?) = �?, 4 3 ? 3/2, ?2 �. (a) Find T, N, and B at thepoint corresponding to ? = 1. (b) Find the equation of theosculating...
- Q The physical size of an synchronous generator has a profoundeffect upon its efficiency, power output, relative cost, andtemperature rise. Discuss and analyze why these characteristics areintimately related.
- Q 3. Describe how an ultrasound transducer works? (2page limit)Include a discussion of the energy form used to create imagesand how that interacts with tissues in the body
- Q A blue ball is thrown upward with an initial speed of 24.3 m/s,from a height of 0.9 meters above the ground. 3 seconds after theblue ball is thrown, a red...
- Q 4. Describe the risks associated with ionising radiation andwhat can be done to reduce these risks. (2 pagelimit)
- Q You observe two clusters of stars, Gamma and Delta. Gamma isfilled with many G and K stars much like our own Sun. Delta has ahandful of O and B stars...
- Q second stage of fusion: medium/high mass stars:what type of degeneracy do medium mass stars use to stop furthercollapse of the core?What do we call the moment when the second stage...
- Q A 0.47 kg mass at the end of a spring vibrates 6.0 times persecond with an amplitude of 0.12 m. (a) Determine the velocity whenit passes the equilibrium point. m/s...
- Q Compare and contrast MRI and PET imaging. (3page limit)Your answer should include a discussionof:The technology (how it works)Clinical applications (pros and cons)Safety
- Q Second stage of fusion:Medium/high mass stars:1. What will happen when the first fuel runs out? what will fusenext? (second stage of fusion)2. what process do medium mass and high mass...
- Q Alpha particles of a certain initial kinetic energy areprojected at nuclei with atomic number Z = 60. The closest distanceof approach of the alpha particles to the nucleus is 100...
- Q Consider the following mass distribution where the x-and y-coordinates are given in meters: 5.0 kg at (0.0,0.0) m,2.9 kg at (0.0, 3.2) m, and 4.0 kg at (2.7, 0.0) m....
- Q Describe the reason why the scientific method is the basis forscientific discovery and the role that it plays in creating soundand reliable theories.***Note, this is an extended essay question, worth...
- Q When the U.S. submarine Squalus became disabled at adepth of 54.6 m, a cylindrical chamber was lowered from a ship torescue the crew. The chamber had a radius of 2.71...
- Q A mass m = 1 kg is attached to a spring with constant k = 4 N/mand a dashpot with variable damping coefficient c. If the mass isto be pulled...
- Q You need to increase the distance that a KrF laser at 0.248 µmwith a beam radius of 0.322 mm can reach. To do so you need todesign a beam expander...
- Q Share one physics equation that is relevant to a handcannon(explain why)
- Q A 6.09 mm high firefly sits on the axis of, and 11.7 cm in frontof, the thin lens A, whose focal length is 5.63 cm Behind lens Athere is another...
- Q Discuss all the different heads (includinglosses) in Bernoulli energy equationdefining all terms with their units
- Q How can the gravitational potential energy of something benegative?
- Q how to design linear PID controller via convex optimization?(for first and second order system)
- Q A plane electromagnetic wave traveling in the positive directionof an x axis in vacuum has components Ex =Ey =0 and Ez=(2V/m)cos(3.14∗10^−15s^−1(t− x/c)). (a) What is the amplitude ofthe magnetic field...
- Q Question #1.The lateral surface area, S, of a cone is given by: ? =?*SQRT(?^2 + â„Ž^2) , where r is the radius of the base and h is theheight. Determine...
- Q Give a step by step description of the physics and mathematicsneeded to calculate the trajectory of a water bottle rocket inthree dimensions. In addition, if the location of the landing...
- Q Consider a composite object such as the hydrogen atom. Will itbehave as a boson or afermion? Argue in general that objects containing an even/oddnumber of fermions will behaveas bosons/fermions
- Q A motorcycle is following a car that is traveling at constantspeed on a straight highway. Initially, the car and the motorcycleare both traveling at the same speed of 21.5 m/s...
- Q When plugged into a standard outlet in the United States, atoaster oven uses 1600 W att of power (on average).(a.) On a power (watt) vs. time (seconds) graph, plot the...
- Q A small object moves along the xx-axis with accelerationax(t)ax(t) = −(0.0320m/s3)(15.0s−t)−(0.0320m/s3)(15.0s−t). At tt =0the object is at xx = -14.0 mm and has velocity v0xv0x = 4.10m/sm/s.Part AWhat is the...
- Q 1) Find the ground state energies and the Bohr radius for thefollowing:a) Positronium: electron and positronb) Muonium: electron and anti-muonc) Muonic hydrogen: muon and protond) Deuterium: electron and a nucleus...
- Q Three long, parallel conductors each carry a current ofI = 1.98 A. The figure below is an end view of theconductors, with each current coming out of the page. Takinga...
- Q A plane electromagnetic wave is incident at an angleθ0 on a plane conductor of conductivity σ (ε = 1, μ =1), Calculate the reduction in amplitude of the wave uponreflection.(Assume...
- Q Can you explain \"Applications of synchrotron radiation\"basically? And please give some examples about thisapplications.
- Q (1)Write down the 4 Maxwell Equations, Explain each of them indetail.(2)What are their aplication?(3)Write a question for each of Maxwell Equation's, and solveit.please write properly, your contents are not read.CLEARHANDWRÄ°TE...
- Q The “equilibrium†in hydrostatic equilibruim can be understoodby imagining what would happen if we could somehow squeeze the Sun(add an outer layer to increase mass). Choose the correct sequenceof events...
- Q 1) What instrument makes a square wave on a time-domain graph?What harmonics are involved in making that graph?2) What instrument makes a saw-tooth wave on a time-domaingraph? What harmonics are...
- Q 1.1:1. Classification of materials according to the relationshipbetween magnetic field strength and temporary magnetizations.2. Name of the components of magnetic field strength andmagnetic flux density at the intersections of the...
- Q i need to make a physics portfolio for grade 12 physics recapingall the units and i need to answer these questions, you can sayanything and i will just apply it...
- Q There is a solenoid (infinitely long) that is filled with aferromagnetic material. The magnitization, N is uniform and isparallel to the axis of the solenoid. Made out of a nonmagnetizedmaterial...
- Q In your own words:Paragraph #1: Define an observational study.Paragraph #2: Explain the main types of observationalstudies.Paragraph #3: Discuss the advantages and disadvantages of theseobservational studies.Paragraph #4: Give examples of which...
- Q The sodium spectrum is dominated by the bright doublet known asthe Sodium D-lines at λ1=588.995 and λ2=589.5924 nanometers. Say,you've got a diffraction grating with 3900 grooves/cm. Find theangles corresponding to...
- Q True/False1) A wire carrying current due east in a magnetic field isdeflected due north. The magnetic field must have a component thatpoints into the ground2) The self-inductance of a solenoid...
- Q 7If a carrier signal vc(t) = 10 sin (20000Ï€t+Ï€/2) volts isamplitude modulated by message vm(t) = 8sin(450Ï€t+Ï€/2), sketch thefrequency plot for the resulting AM signal and calculate thetransmission bandwidth. Write...
- Q pls report answers in scientific notation and standard unitsThere exists a flat, smooth interface between a region of freshwater and one of polystyrene. For light that travels through thewater and...
- Q Members of the astronomy club just posted an article about thediscovery of a small comet which orbit is in the same orbit planeas the Earth. In the article it is...
- Q When the transportation of natural gas in a pipelineis not feasible for economicreasons, it is first liquefied using nonconventional refrigerationtechniques andthen transported in super-insulated tanks. In a natural gasliquefaction plant,the...
- Q A beam of light containing red (660 nm) and violet (410 nm)wavelengths travels from air, through a flat piece of crown glass1.92 cm thick, and then back to air. (a)...
- Q A company owns and operates an electric sign that uses 300individual lamps to display messages. The sign currently uses bulbsthat cost $2.50 each and last for an average of 2...
- Q Occasionally, huge icebergs are found floating on the ocean'scurrents. Suppose one such iceberg is 124 km long, 41.5 km wide,and 217 m thick.(a) How much heat in joules would be...
- Q On a cloudless day, the sunlight that reaches the surface of theEarth has an intensity of about 1.01×103W/m2. What is the electromagnetic energy contained in4.3 m3 of space just above...
- Q In a common demonstration an instructor \"races\" various roundobjects by releasing them from rest at the top of an inclined planeand letting them roll down the plane. Before the objects...
- Q what's πt of van der waals gas? and how to solve this
- Q A student stands at the edge of a cliff and throws a stonehorizontally over the edge with a speed of vi = 10.0 m/s. The cliffis h = 41.9 m...
- Q 1. Why is two interleaved books so hard toseparate?Explain this fermi problem with an FBD and derived formulas.
- Q One advantage to being small is that it is easier to cool offafter exertion than if you are large. For example, hummingbirdsgenerate a lot of heat as their wings beat...
- Q You observe two point sources of light that are spaced 5 cmapart which are each emitting light of wavelength of 420 nm. If thediameter of your pupil is 2 mm,...
- Q Explain the continuity equation for electric current and howdoes divergence apply for electric current? What is the relaxationtime of a material?
- Q Find an example of a reverse salient from the past 75 years.Describe the full system that contains the reverse salient, thereverse salient itself, explaining why it was a reverse salient,and...
- Q Imagine two carts with different masses colliding (m1 = 2.0 kg,m2 = 1.0 kg). If cart one is initially moving at 10 m/s and theother cart is stationary, calculate the...
- Q What is the image distance when d0 =10.11 cm, f = 3.0 cm, di =?. Write down the lens formula (1/f = 1/o + 1/i). What happens in the simulation...
- Q Show the cleavages and permissible transitions of the sodiumatom D1( 2P1/2 --->2S1/2 ) and D2 (2P3/2 ---> 2S1/2 )lines in a strong ( Bout > Bin ) magneticfield in the...
- Q In part two you will submit a copy of the notes you have madefor the following sections of the ARRT content specifications (5points):1. Radiation Physics and RadiobiologyA. Principles of Radiation...
- Q Explain the strengths and weaknesses of the Bohr model.
- Q Show three possible 3p → 2s (6x1014 s-1 frequency)transition for each case of including spin in strong magnetic fieldand not including spin in strong magnetic field.If µB = 0,4 eV,...
- Q Assume Silicon (bandgap 1.12 eV) at room temperature (300 K)with the Fermi level located exactly in the middle of the bandgap.Answer the following questions.a) What is the probability that a...
- Q A gas undergoes an isothermal expansion from V1=1.4L followed byisobaric compression, p=cst. if p1=4.4atm, p2=2.2atm→?Nm2,calculate the total work done by the gas.Hint:W=∫dW=∫pdV=∫nRTVdV
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