Physics question and answers for July 11, 2023
- Q A 0.05kg bouncy ball is dropped from height 9m and loses 20% ofits energy upon impact each time it bounces. Assume that there isno air resistance.a) What is the kinetic...
- Q IP Two strings that are fixed at each end areidentical, except that one is 0.600 cm longer than the other. Waveson these strings propagate with a speed of 31.2 m/s...
- Q You look at yourself in a shiny 9.6-cm-diameter Christmas treeball. If your face is 26.0 cm away from the ball's front surface,where is your image? Follow the sign conventions.
- Q How would you solve the problem of malnutrition using science(not pseudoscience) and technology?
- Q Draw the figure for memory segments with 8086 microprocessorsoftware model. Explain the logical address structure used for eachsegment (Explain which registers are used in logical addresspresentation of each segment; segment...
- Q A thin film of soap with n = 1.35 hanging in the air reflectsdominantly red light with ? = 620 nm. What is the minimum thicknessof the film?Now this film...
- Q A snoke stack with an effective height of 45 m emitsSO2 at a rate of 8 kg hr -1. What is thecontribution of this stack to ground-level SO2concentrations at a...
- Q TLD Response & Annealing.(i) Explain the physics of superlinearity of TLD detectors. Forwhich absorbed dose issuperlinearity correction essential?(ii) Based on the mathematical expression for the glow curve,explain the changing ofthe...
- Q A small industrial furnace emits 0.35 m3s-1 of exhaust gases at a temperature of 95 degreesCelsius. Outside air temperature is 25 degrees Celsius, and windspeed is 1.5 m s-1. The...
- Q A neutron star and a white dwarf have been found orbiting eachother with a period of 26 minutes. If their masses are typical,what is their average separation? Compare the separation...
- Q Describe what would result in the following two examples.Describe the resulting waveforms and spectra for each example:What wave results by adding the following three sine waves thatare in phase:A.120 Hz,...
- Q A flexible balloon contains 0.335 mol of an unknown polyatomicgas. Initially the balloon containing the gas has a volume of 6700cm3 and a temperature of 25.0 ∘C The gas first...
- Q The production of sound during speech or singing is acomplicated process. Let's concentrate on the mouth. A typicaldepth for the human mouth is about 7.4 cm , although this numbercan...
- Q prove the Liouville's theorem?
- Q a research document concerning a physical principle or a commontechnology is required.I choose to do roller coasters.Please describe physical principles on how roller coasters work,in depth please.Links to graphs would...
- Q A crystal composed of atoms of one unknown species hasexperimentally determined values of molar heat capacity atconstant pressure and two different temperatures:Cp (200 K) = 21.573 J.K-1.mol-1Cp (100 K) =...
- Q State five physical characteristics of planet Earth’sstructure.
- Q What are photonic Crystal's, what are photonicbandgaps and what was Yablonovitch's work on the photonicbandgap.
- Q A 65 g ice cube at 0 °C is placed in an insulated box thatcontains 8 g of steam at 200 °C. What is the equilibriumtemperature reached by this closed...
- Q In light of quantum mechanics and relativity theory, pragmatismis the best approach to understanding the nature of reality thaneither materialism or idealism. is this correct?
- Q When an airplane communicates with a satellite using a frequencyof 1.535 X 10^9 Hz, the signal received by the satellite is shiftedhighr by 207 Hz. (a) Is the airplane moving...
- Q A block of mass m1 = 3.54 kg on africtionless plane inclined at angle θ = 26.5° is connected by acord over a massless, frictionless pulley to a second block...
- Q Four charges of magnitude +q are placed at the corners of asquare whose sides have a length d. What is the magnitude of thetotal force exerted by the four charges...
- Q Now assume that Alice and Bob are twins, and Alice left Earthand Bob stayed behind fixing his spaceship. If Alice spent sometime moving near the speed of light before returning...
- Q For both resistances, plot the discharge curve ofln(V/V0) vs. time. From the slope of the line, calculate C(capacity). Please explain in detail how to plot/determine some ofthe values of ln(V/V0),...
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