Physics question and answers for July 27, 2023
- Q  Briefly explain the process of fractionaldistillation – the physical process for separating gasolineand kerosene (the two types of aviation fuels) from crude oil. Differentiate between a physical property anda...
- Q Determine the following quantities for a car driving on a levelsurface with a coefficient of static friction of 0.75 (¾) and acoefficient of kinetic friction of 0.67 (⅔).Determine the car's...
- Q 9. An experiment uses microphone moving toward a speaker as away to measure the speed of sound in different media. In air, thefrequency heard by the moving microphone is 20%...
- Q Explain how and why the velocity of an object changes when itfalls in a viscous fluid. 2
- Q Explain the hydrological cycle and water balance.
- Q what is the electric field and electric potential (voltage) atthe center and surface of a spherical conductor?
- Q Describe Maxwell's predictions and electromagneticwaves.In your own words, explain electromagnetic spectrum and giveexamples.In your own words, explain Doppler effect for theelectromagnetic waves and red shift.ANSWER IT ALL OR DONT ANSWER....
- Q Miranda, a satellite of Uranus, is shown in part a of the figurebelow. It can be modeled as a sphere of radius 242 km and mass 6.681019 kg.(a) Find the...
- Q 1. At the solstices and the equinoxes, how does the rightascension of the Sun compare with the sidereal time at solar noon?Does this relationship hold on other days of the...
- Q Wave forms and Wave EnergyKinetic energy is often the release of potential energy is asudden burst. Waves are repeated occurrences of an event that mayor may not follow a set...
- Q Along a number line, there exist 2 charged objects. At x = 8 m,there is a 4 nC charge (Q1), and at x = -5 m, there is a -9...
- Q In a traditional xy-plane, there are 2 charged objects. At (x,y)= (8 m, 0 m), there is a 4 nC charge (Q1), and at (-5 m, 0 m),there is a...
- Q A system expands by 0.73 m3 at a constant pressure of 124 kPa .Part A Find the heat that flows into or out of the system if itsthermal energy increases...
- Q How are solar forcing and anthropogenic forcing relatedto one another, relatively, over time and where we arenow?Add one reference in your answer?
- Q How could electrical measurements (including equipotentiallines) locate underground anomalies such as a cave, an ore body, aburied pipe, or a vein of minerals?
- Q Calculate the planar densities of atoms in the followingcases:     Draw the exact atomicarrangements in each case and put down the dimensions.     Cu            FCC                100                 110           111                 r (Å) = 1.267     Al             FCC                100                 110           111                             1.432     Au            FCC                100                 110           111                             1.442     Ba             BCC               100                 110           111                             2.176     Fe             BCC               100                 110           111                             1.241     Nb            BCC               100                 110           111                             1.426
- Q Please Show Work1. A hydraulic motor provides torque to a load through a shaftturning at 632 rev/min. The motor has 29 gal/min of fluid goingthrough it, and the pressure at...
- Q The general equation for propagation of uncertainty forindependent variables is given inAppendix B-1 of the text (equation B-1). Consider the functionF = 5x3 + 4xy, where x = 2.00 ±...
- Q The Galvanometer1) why would it be advantageous to measure miniscule measure levelsof current?2) what kind of measurement issues could you have using thegalvanometer?3) How could you damage your galvanometer and...
- Q A MET office employee, who is standing still, observes a stormcoming towards him at 15 m/s. The thunder that he hears (the‘observed’ frequency) is at a frequency of 140 Hz....
- Q Two converging lenses, each of focal length 14.9 cm, are placed39.8 cm apart, and an object is placed 29.1 cm in front of thefirst. How far from the first lens...
- Q Consider an electromagnetic harmonic plane wave, where the peakelectric field amplitude is 1 N/C.a) What is the irradiance of this plane wave?b) Consider such a wave with a frequency in...
- Q After discovering an ancient buried artifact made of wood, youdecide to perform a radiometric analysis to determine the age ofthe artifact. You know that half of the mass of wood...
- Q You are working with a group of interns at a commercial rocketcompany. They are testing the feasibility of launching rockets withcatapults to reach the upper atmosphere, where they will release...
- Q 4. Each π+ particle in a beam has a momentum of 800 MeV/c. Howfar will the beam travel before approximately 10% of the π+ areleft? The π+ rest energy and...
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