Physics question and answers for July 24, 2023
- Q Based on resistance measurements, what is the expected turnsratio Np/Ns?Based on measurements of Vp/Vs, what do you expect for turnsratio Np/Ns?Explain the reason for the discrepancy.If a transformer is ideal,...
- Q Does the gyroscopic effect of bicycle wheels keep a bicyclestable? Or is stability the result of something else? Yoursolutions to this problem needs to address the following, at aminimum: https://www.youtube.com/watch?v=vWsuXNi_Vnw...
- Q Consider a problem involving tow rubber balls. The upper ballhas half the mass of the lower ball. Both are dropped from the sameheight and so they arrive at thetable traveling...
- Q king Arthur’s knights use a catapult to launch a rock fromtheir vantage point on top of the castle wall, 15m above the moat.the rock is launched at a speed of...
- Q 3A. Draw a diagram of a heat engine and label (a) heat input,(b) heat output, and (c) work output.B. Draw a diagram for the outcomes of flipping four coins andlabel...
- Q 37.52•• Quarks and gluons are fundamental particles that will bediscussed in Chapter 44. A proton, which is a bound state of two upquarks and a down quark, has a rest...
- Q What equations can be obtained from a Magnetic field gradient vsMagnetic force on dipole graph? What does the slope represent? Thisis for the Magnetic force on a magnet experiment.
- Q A proton (charge 1:6 x 10^-19 C) is stationary at the point (2:0mm; 0; 0) of a chosen (x; y; z)- coordinate system. An electron(charge ?1:6 10?19 C) travels with...
- Q Calculate the energy difference between the photopeak and theCompton edge in Co 60 spectra
- Q Efficiency for your bulb should have improved as the operatingvoltage increased. An even higher efficiency would have resulted ifa still higher voltage were to be used to power the bulb....
- Q Force F1=950 N has an angle of 30° with positive x-axisand Force F2=550 N has an angle of -65° with positive x-axis. Findthe values for F1x, F1y, F2x, F2y, Sum...
- Q It has been said that enough monkeys, pounding on enoughkeyboards for enough time, will eventually produce the completeworks of William Shakespeare. Let’s examine this.Suppose we have 10 billion galaxies, each...
- Q The magnetic susceptibility of diamagnetic materials is nearlyindependent of temperature, but this is not so for paramagneticmaterials, whose susceptibilities decrease with increasingtemperature. Why do paramagnetic materials display thisbehavior,and why don’t...
- Q True/FalseMathematics is used in physics mainly to impress people.Most of the world uses the US Customary System of units.A rocket doesn’t need a surrounding medium to push against inorder to...
- Q If 4.0
- Q Place a sheet of paper on the table in front ofthe mirror then use the ruler to trace the pathwayof the beam to and from the mirror.Label the incidence beam...
- Q A person wants to catch the bus. Standing on the side of thestreet, the person sees the bus, 150 meters to the left appraochingat 24.6 m/s. The bus stop is...
- Q (a) Describe the expected detector spectrum of 160Co given by aMultiChannel Analyser.(b) Calculate the energy difference between the photopeak andthe Compton edge.(c) Calculate the position of the backscatter peak.
- Q a.) Suppose that there is a constant magnetic field in thexy-plane with magnitude 0.5 T, and a proton is moving with a speedof 3 × 10^5 m/s at a 45◦...
- Q A Ferris Wheel, starting from rest, undergoes a constant angularacceleration of 0.033 rad/s2 to get to its final operating angularvelocity of 0.24 rad/s. (a) How long does it take the...
- Q gaussian surfaces and fluxa neutral conducting sphere is centered at the origin and hasan inner radius of a and an outer radius if b. at the center of thecavity is...
- Q How can I contribute to science / the sciencecommunity?It should be stream-of-conciousness writing from the heart. 5minutes of reflective journaling should result in an essay of about150-200 words.
- Q State Babinet’s theorem; and use Huygens’s principle to proveit.
- Q A block of mass m is pressed against a light spring by a distance d and is kept at rest (Fig. 1). The spring, of elastic constant k, is released...
- Q 1. Explain on the basic operation of the n-channel JFET. Drawthe drain characteristics or output characteristics of thementioned JFET type and denote the important parameters on thegraph2. Explain why the...
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