Physics question and answers for July 05, 2023
- Q Howdid Aristotle concieve of \"instruments\" and their activities?
- Q A large fish strikes bait cast by a fisherman with a rod andreel. The fish creates tension in the line of 63.7 N. How manyrevolutions of the reel occur in...
- Q A group of students, performing the same Uniformly AcceleratedMotion experiment that you did in lab, dropped a picket fencethrough a photogate and obtained the following data from thecomputer.Blocking Times (s)0.052060.089690.120760.147630.172030.194380.21502The...
- Q True or False questions. Determine whether or not each of thefollowing statements is true. If a statement is true, prove it. Ifthe statement is false, provide a counterexample and explain...
- Q determine whether the est of all polynomials P(x) ofdegré no more than two for which p(0)=1, with regular addition ofpolynomials and regular multiplication by a number, forms a vectorspace
- Q Part A.The emissivity of the human skin is 97.0 percent. Use35.0 °C for the skin temperature and approximate the human body bya rectangular block with a height of 1.56 m,...
- Q 1. Faraday’s law of electromagnetic induction is a law thatstates that when the magnetic flux linking a circuit changes, anelectromotive force is induced in the circuit proportional to therate of...
- Q A charge q1 = 2 nC is placed 10 cm from another charge q2 = -5nC. A test charge of +3 nC is placed in the middle in between thesecharges....
- Q I want to to calculate the area between the x-axis and thefunction f(x) = sin(x) on the interval [0, pi]. The area we seek isenclosed in a rectangle bounded by...
- Q 1.The pressure exerted by a force on an area is greater when the areais:reducedincreasedexpandedNone of the above2. When a fluid is in equilibrium, the vector sum of thevector forces of...
- Q The following statements concern a fixed mass of an ideal gasbeing put through a thermodynamic process. Which statement istrue?A. An isobaric, isothermal process is the same as anisovolumetric, adiabatic process.B....
- Q The water flows through a horizontal tube the firstpart has an area of 50cm^2 and the second part of the tube is10cm^2, the water velocity is 1.2m/s in the smallest...
- Q Suppose a cosmic ray colliding with a nucleus in the Earth'supper atmosphere produces a muon that has speed v =0.915c. The muon then travels at constant speed and lives1.35 μs...
- Q 2. The Drake Equation:(a) What, exactly, does the Drake Equation estimate?(b) If you are like Frank Drake or Carl Sagan, you are anoptimist who believes that the development of life,...
- Q (a) A steel power transmission line has a resistance of 0.0430Ω/km. What is its mass per kilometer (in kg/km)? (Assume thedensity of steel is 7.8 ✕ 103 kg/m3.)  ________ kg/km(b) What...
- Q The beat wavelength lbeat is much longer than that of eithersuperposed wave , l1 and l2. Demonstrate this. They relate aslbeat-1 = (1/2)( l1-1 - l2-1) (hint: remember the condition...
- Q Consider a circuit with an ideal ac generator with peakvoltage of V0 connected to an inductor withinductance L, a capacitor with capacitance C, and resistorwith resistance R connected in series.what...
- Q A proton is acted on by a uniform electric field of magnitude313 N/C pointing in the negative z-direction. The particle isinitially at rest.(a) In what direction will the charge move?(b)...
- Q A trumpet creates a sound intensity level of1.05Â Â 102 dB at a distance of 0.80 m.(a) What is the sound intensity of a trumpet at thisdistance?W/m2(b) What is the sound intensity...
- Q 1Would a liquid’s refractive index measured at a high altitudebe different from that measured at sea level? Explain IK theanswear is yes i just do not know why?2. A student...
- Q A scuba diver training in a pool looks at his instructor asshown in the figure. What angle does the ray from the instructor’sface make with the perpendicular to the water...
- Q Read the Fact Sheet on Cell Phones and Cancer Risk on theNational Cancer Institute's website located within the weeklyreadings. Address the following questions:1.Are the electromagnetic waves from a cell phone...
- Q Please: Answer all of below &Clear and briefly answer &Clearly identifiable handwriting or computer typingThis is a problem related to the growth ofnanomaterials.Describe the implementation of vapor-liquid-solid (VLS) methodto grow...
- Q Asubstance has a melting point of 20 degrees celsius and a heat offusion of 3.4*10^ 4 J/kg. The boiling point is 150 degrees celsiusand heat vaporization is 6.8*10^ 4 J/kg...
- Q A group of particles is traveling in a magnetic field of unknownmagnitude and direction. You observe that a proton moving at 1.60km/s in the +x-direction experiences a force of2.10×10−16 N...
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