Physics question and answers for July 16, 2023
- Q Consider 3 typical MRI systems of 0.5T, 1.5T and 3.0T for protonimaging (given the proton’s gyromagnetic ratio γ/2π = 42.48MHz/Tesla) (a) What are the RF frequencies at which these systemsoperate?...
- Q A 64 pound weight is attached to the lower end of a coiledspring suspended from the ceiling. The weight comes to rest at itsequilibrium position, thereby stretching the spring 1/2...
- Q Suppose you have an electric hot water heater for your housewhich is an aluminum cylinder which has a 0.56 m radius and is 2 mhigh. The walls are 1.0 cm...
- Q The plant H(s)=40/(S^2+4) is now put in a unity-feedbackconnection with a proportionalderivative compensatorCpd(s) = K(1 + sT), where K and T are real constants to bedetermined. The closed-loop is stable...
- Q why there is an air specific sound of velocity aroundus? the answer must include analytics description using basicrelations perspective
- Q You toss a ball straight up. Let t = 0 be the time just afteryou throw the ball, let t = treturn be the time just before it theball returns...
- Q Which of the following properties are vectors and which arescalars considering a three-dimensional space? Give a “typicalâ€symbol and the S.I. units used to describe these properties, i.e.if I asked for...
- Q Explain the difference between resolution and magnification.Refer to the following scenario when preparing your response.If I have 500nm light exciting an object through a 100X NA=1objective, what is the approximate...
- Q Particle A of mass m, initial velocity 20i (m/s) has a collisionwith a stationary particle B of mass 2m. After collision,VA(final)=10i+5j (m/s). a) Find VB(final) if the system (particle Aplus...
- Q When graphing nuclear binding energy per nucleon vs the numberof nucleons in the nucleus, the significance of the peak neariron-56 isChoose one:a. if it was possible to make a atomic...
- Q If β = a / V, κ = b / V for a hypothetical system and a and bare constant then the system equation for the system can be writtenas...
- Q (1)Write down the 4 Maxwell Equations, Explain each of them indetail, What are their aplication?.(2)Write and solve one question from each.
- Q Work-Energy Theorem:1. Give an example of an explanation you devised to your friendor classmate to make him/her understand what you were talkingabout. What representations did you use (analogy, graph, equationetc.)...
- Q PHYSICS 123The project is \"Physics of Everyday Objects and Phenomena\"You can choose your project and write theINTRODUCTION-OBJECTIVE, MATERIALS, DATA ONLINE RESEARCH (SI-UNITS),THEORY AND EQUATIONS,CALCULATIONS, CONCLUSION, however it should beabout the...
- Q A binary geothermal power plant uses geothermal water at 160°Cas the heat source. The plant operates on the simple Rankine cyclewith isobutane as the working fluid. Heat is transferred to...
- Q In a Young's double-slit experiment the wavelength of light usedis 462 nm (in vacuum), and the separation between the slits is 2.1× 10-6 m. Determine the angle that locates(a) the...
- Q Calculate the maximum acceleration of a car with four wheeldrive that is heading up a 8° slope (one that makes an angle of 8°with the horizontal) under the following road...
- Q ProcedureM=270 g (hanger +220g); Tape the 220 g to the hanger that is50gm=250g (hanger +200g); Tape the 200 g to the hanger that is50gSet the apparatus so that when m...
- Q In the circuit at right, switch S is closed, and is held thatway for a very long time. The central branch of the circuit, havingresistance R, has negligible self-inductance, but...
- Q 6You make a solenoid with a radius of 5.0 cm radius using acopper wire of the length of 200 m and diameter of 0.05 cm.what will be the magnitude of...
- Q In 200 words explain how loud is too loud? When is a sound tooloud? What can be done about sounds/noises that are too loud foryou?
- Q 1. In Spain COVID-19 number of death outbreak a mathematicalinverse model.
- Q Q.3:(a) Briefly describe the radioactivity phenomenawith examples.(b) The counting rate of a radioactive source in thebeginning (t=0) is 4000 counts/s. After 10 seconds the countingrate drops to 1000/s.(i) What is...
- Q Particles of charge -60 E-6 C, +40 E-6 C, and – 95 E-6 C areplaced along the x-axis at 0.2 m, 0.4 m and 0.6 m, respectively.(a) Calculate the magnitude...
- Q Q.1: (a) What are “nucleons†and their types? How arethose held together in a tiny nucleus despite the intense repulsiveCoulomb force among the protons? Describe briefly.(b) Estimate the nuclear radii...
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