Physics question and answers for July 10, 2023
- Q For each of the following, put \"A\" if it is always true, \"S\" ifit is sometimes true, or \"N\" if it is never true.(a) The net force on an object...
- Q which of the following correctly reflect ways in which achemical equilibrum can be shifted? changing the temperature of thesystem, changing the concentration of reactants or products,changing the pressure of a...
- Q Â An explanation of the relevant symmetry.An explanation of your choice of the Gaussian surface and how that choice arises out of the symmetry of the charge distribution.A calculation along with...
- Q What are the technical problems in a multimeter device and what arethe solutions
- Q Here is a web site that talks about how much carbon dioxide iscreated when a ton of coal is burned.(http://wiki.answers.com/Q/How_much_carbon_dioxide_does_a_ton_of_coal_produce)(9) Look at that site, presume that the Mt. Tom power...
- Q A Constant – Volume gas thermometer is at 55 kPapressure at the triple point of water.   By howmuch does its pressure change for each Kelvin temperature change?(d) The Temperature of...
- Q Please answer all of them, Thank you.1. What are the three equivalent definitions of a conservativeforce? Show how they are equivalent.2. Suppose there is a pendulum with length 5m hanging...
- Q . (a)     Is it possible forthe temperature of a substance to rise without heat flowing intothe substance? Give your reasoning and use the example of an idealgas.  (b) (c)11.       Does...
- Q Draw phasor diagrams for the following circuits.A) For the first circuit: Analyze a series RC circuit. So an emfwith frequency w and peak voltage V connected in series to aresistance...
- Q What are some accomplishments astronauts have achieved incollaboration with engineers and scientists on Earth?
- Q 2) a). The resistivity of a wire varies with itslengtharea of cross-sectionmassmaterialb) Given the units of a physical quantity. Choose the correctrelation (J is for Joule, V is for volt,...
- Q Most of the energy released in nuclear fission is electrostatic.Suppose a uranium-236 nucleus (92 protons and 236-92=144 neutrons),which is initially at rest, splits into two identical “daughterâ€nuclei each having 46...
- Q 1. What is the evidence for a black hole at the center of theMilky Way? How does this compare to stellar size blackholes? Howcan these smaller blackholes be observed?2. What...
- Q You can use either electric or magnetic fields to steer movingcharges. Suppose you have a beam of electrons moving in thexdirection with speed 1.0×107 m/s, and you want them to...
- Q In each of the following, give the direction of the thing askedabout, or “zero†if it’s zero. Explain your choices.(a) [1 pts.]The magnetic field between the poles of this magnet.(b)...
- Q Light with a wavelength of 500 nm (nano means one billionth or )is incident upon a double slit with a separation of m. The screenis located 3 m away from...
- Q why does the resistance of a metal vary with itstemperature
- Q A projectile is launched with an initial speed of 60 m/s at anangle of 35° above the horizontal. The projectile lands on ahillside 4.0 s later. Neglect air friction. (a)...
- Q The coefficient of friction between the block of massm1 = 3.00 kg and the surface in the figurebelow is μk = 0.455. The system starts fromrest. What is the speed...
- Q At what temperatures values are the following scalesthe same? (a) The Fahrenheit and the Celsius   (b)The Celsius and the Kelvin    (c) TheFahrenheit and the Kelvin Â
- Q What is the one property of dark matter we can measure? a)Color. b) Mass. c) Weight. d) Temperature. e) ChemicalcompositionHow are the tiny temperature and density fluctuations in thecosmic microwave...
- Q Describe how a lake freezes duringwinter.   How do the fishes and other creatures inthe lake avoid been frozen?
- Q 1. Explain in details the three bands of the laser lines of theHeNE laser.
- Q Select all answers that correctly finish this sentence:A FBD is a diagram that shows...a body isolated from its environment.a body free of the forces acting upon it.all of the external...
- Q Youmay have had an opportunity to skip rope or watch someone else skiprope. If you have one rope, you can skip by yourself or you caninclude two friends, each friend...
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