Physics question and answers for September 30, 2023
- Q How do you normalize the function psi= eim(phi)between 0 and 2pi?
- Q PLEASE TYPE THE ANSWER AND KEEP IT SHORT AND SIMPLE!!!! DO NOTCOPY OTHER ANSWERS!Contrast Newton's model of the universe with the descriptivemodels of Ptolemy, Copernicus, and Kepler.
- Q An electron is moving through a magnetic field whose magnitudeis 8.70x 10^-4T. The electron experiences only a magnetic force andhas an acceleration of magnitude 3.50 x 10^14m/s^2. At a certaininstant,...
- Q 1) An electron passes through a point 3.15 cm from a longstraight wire as it moves at 33.9% of the speed of lightperpendicularly toward the wire. The wire carries a...
- Q A major leaguer hits a baseball so that it leaves the bat at aspeed of 33.0 m/s and at an angle of 37.3 ∘ above the horizontal.You can ignore air...
- Q A 1.5-mole sample of an ideal gas is gently cooled at constanttemperature 320 K. It contracts from initial volume 19 L to finalvolume V2. A total of 1.2 kJ of...
- Q During the power stroke of an internal combustionengine, the air-fuel mixture is ignited and the expanding hot gasespush on the piston. Fuel efficiency is maximized in this processwhen the ignited...
- Q Describe a theory that explains how the electric force occurswithout contact. Give an everyday analogy. (Not the tapephenomenon.)
- Q Search online or your book for hypothesis' of \"how did the Moonform\". What is the evidence for each hypothesis?Did it form at the same time as the Earth and in...
- Q Three deer, A, B, and C, are grazing in a field. Deer B islocated 61.6 m from deer A at an angle of 52.2 ° north of west.Deer C is...
- Q 1/ At which location below would you most expect to find ayear-round desert?a. in the frigid polar regionsb. along 60° north and southlatitudesc. within Mediterranean climatezonesd. on windward sides of...
- Q A disk of radius 2.6 cm has a surface charge density of 6.0µC/m2 on its upper face. What is the magnitude of the electricfield produced by the disk at a...
- Q (a) You pull a solid zinc ball with a density of 7.14g/cm3 and a radius of 1.10 cm upward through a fluid ata constant speed of 7.00 cm/s. The fluid...
- Q A father racing his son has 1/ 4 the kinetic energy of the son,who has 1/ 3 the mass of the father. The father speeds up by 1.4m/s and then...
- Q Chapter 2Question 5: The position of an object moving along an x axis isgiven by, where x is in meters and t is in seconds. Find theposition of the object...
- Q Black holesQ: what is escape speed?Q: what is a black hole? Size? What is the event horizon?Q: How to “see†black holes if they are black? Evidence forstellar mass black...
- Q a shock wave is the result of wave?
- Q ~Solved
- Q you dip your finger repeatedly into water and make waves. ifyou dip your finger more frequently, the wavelength of thewaves
- Q As we will see in Chapter 19, the process of thermal conductionof energy into cylindrical blocks of ice is described by theequation LaTeX: \frac{Q}{\Delta t}=\frac{4\pid^2\left(T_h-T_c\right)}{4L} Q Δ t = 4...
- Q The value of the equilibrium constant for the electrochemicalreactionMnO4–(aq) +2H+(aq) + ½Cl2(g)⇌Mn2+(aq)+ClO3–(aq)+H2O(aq)is 5.88 x10–5. What is the value of the equilibriumconstant for the reverse reaction?
- Q 100g of ice at 0oC and 100g of steam at100oC are placed in a well-insulated container atatmospheric pressure.a) How much heat would be required to melt all of the ice...
- Q Does the central force normal to the motion ? Why , why not ?
- Q A projectile proton with a speed of 380 m/s collides elasticallywith a target proton initially at rest. The two protons then movealong perpendicular paths, with the projectile path at 41°...
- Q 4) why doesn't the existence of a threshold frequency for thephotoelectric effect make sense from the point of view of acontinuous wave model of light?4b) how does the concept of...
- Q An airplane with a speed of 52.6 m/s is climbing upward at anangle of 52° with respect to the horizontal. When the plane'saltitude is 760 m, the pilot releases a...
- Q Two point charges lie on the x axis. A charge of + 2.60 pC is atthe origin, and a charge of − 4.60 pC is at x=−10.0cm. What thirdcharge should...
- Q -Why can't we be certain that the Andromeda Galaxy existstoday?-How do sound and light waves differ?-What is the frequency of a radiowave that has a wavelength of λ = 100...
- Q Infinite plane sheets of charge lie in z = 0, z = 2, and z = 4planes with uniform surface charge densities ps1, ps2, ps3respectively. Given that the resulting electric...
- Q What happens to the total current through a parallel circuit asmore resistors are added in parallel?How, approximately, is the total voltage across a power sourcein a multi resistors connected in...
- Q An electron and a proton, starting from rest, are acceleratedthrough an electric potential difference of the same magnitude. Inthe process, the electron acquires a speed ve, while the protonacquires a...
- Q 1. Were the coils being attracted or repelled from one another?How can you tell?2. If the two coils of wire the apparatus were unwound,straightened and aligned parallel, how long would...
- Q Two identical conducting spheres, fixed in place, attract eachother with an electrostatic force of -0.3675 N whenseparated by 50 cm, center-to-center. The spheres are thenconnected by a thin conducting wire....
- Q What can be studied with an infrared telescope? Why must theybe kept cool?What can be studied with higher energy X-ray or gamma raytelescopes?Why is it useful to use several telescopes...
- Q What is an example of a baryon that isn't a proton or aneutron?
- Q Two stationary positive point charges, charge 1 of magnitude3.85 nC and charge 2 of magnitude 2.00 nC , are separated by adistance of 39.0 cm . An electron is released...
- Q How did Einstein expand the light quantum theory in 1917?
- Q A simple pendulum oscillates with frequency f.(a) What is its frequency if the entire pendulum accelerates at2/3g upward?_____________ f(b) What is its frequency if accelerates at0.666666666666667g downward?_____________ f
- Q Calculate the specific heat of a metal (in calories/gram-degreeC) from the following data. A container made of the metal has amass of 3.10 kg and contains 11.1 kg of water....
- Q What are the biological and radiological properties of xeon 133and Gallium 67. For radiological imaging with the gamma camera.
- Q A 55 kg astronaut who weighs 170 N on a distant planet ispondering whether she can leap over a 4.0-m-wide chasm withoutfalling in.If she leaps at a 15∘ angle, what...
- Q An automobile is traveling on a long, straight highway at asteady 75.0 m/h when the driver sees a wreck 170 m ahead. At thatinstant, she applies the brakes (ignore reaction...
- Q A lead ball is dropped into a lake from a diving board 12.0 ftabove the water. It hits the water with a certain velocity and thensinks to the bottom with...
- Q Is it possible to do work on an object without changing the kineticenergy of the object?
- Q A particle leaves the origin with an initial velocity of 4.10m/s in the x direction, and moves with constant acceleration ax =-1.40 m/s2 and ay = 3.80 m/s2. How far...
- Q A rubber ball is tossed straight up from a height of 10 feetwith a velocity of 78 feet per second. The first time it hits theground (y = 0), it...
- Q 1- According to Plato, science can only give us opinions, notknowledge. Do you agree? Why or why not?2- After reading Googling is Believing, what solutionsmight you present to the author's...
- Q How many 25 cm stair steps would a 80 kg person need to climb togain the same ammount of potential energy as provided by a can ofcoke wich has 140...
- Q 1. A submarine (sub A) travels through water at a speedof 8.00 m/s, emitting a sonar wave at a frequency of 1,400 Hz. Thespeed of sound in the water is...
- Q Which one of the following is not attracted or repelled bycharged objects?a.protonsb.photonsc.electronsd.Beta particles
- Q 1. An electric field (in v/m) varies with postion along the yaxis according to E = 1/y. Find the electric potential differenceVAB if A is a point on the y...
- Q Ideal Gas equation.I understand why PV=MRT but what i dont understand is. Why inthis problem P1*V1/M1*R1*T1=P2*V2/M2*R2*T2https://www.chegg.com/homework-help/Thermodynamics-8th-edition-chapter-7-problem-89P-solution-9780073398174
- Q A 50 cm long rod is half aluminum and half copper. The aluminumend is in boiling water. The end of an aluminum rod (50 cm long) ismaintained at 100 C...
- Q InstructionsIdentify a current problem in physics by searching for newsarticles and current events. One reputable source of news inphysics is Phys.org. Choose one article, and in two pages, describehow the...
- Q An air-filled parallel-plate capacitor has plates of area 2.40cm^2 separated by 3.00 mm. The capacitor is connected to a(n) 23.0V battery.(a) Find the value of its capacitance.pF(b) What is the...
- Q The lens and mirror are sperated by d=1.0 m and have focallengths of 80.0 cm and 50.0 cm, respectively. An object is placedp=1.0 m to the left of the lens...
- Q 1) Calculate the energy, in units of Joules and eV, andmomentum, in kg*m/s and eV/c, for a photon with wavelengths of: a)1.5 pm, b) 120 nm, and c) 21.4 cm.
- Q Water has a mass per mole of 18.0 g/mol, and each water molecule(H2O) has 10 electrons. (a) How many electrons are there in 3.77liters of water? (1 liter is equivalent...
- Q Two 2.0 kg bodies, A and B, collide. The velocities before thecollision are: vA =(15iˆ-30jˆ)m/s and :vB=(-10iˆ-5.0jˆ)m/s. After the collision, :vfA = (-5.0iˆ -20jˆ ) m/s. What are (a) the...
- Q A 7450 kg rocket blasts off vertically from the launch pad witha constant upward acceleration of 2.25 m/s2 and feels noappreciable air resistance. When it has reached a height of...
- Q electrical resistance1. The high-resistance paper has a resistivity of 1:25 Ωm. Howdo your values compare? Whatare possible causes for discrepancies between the known value andyour calculated values?Resistivity measurementsMeasured resistanceLengthWidthCross-sectional areaResistivity(Ω)(m)(m)(m2)(Ω·m)118.6.052.015.00078.000134217.5.076.02.00152.001151352..10.01.001.001300456**...
- Q A sports car is moving at a constant velocity in the +xdirection on a flat horizontal street.1) The net force on the car is doing positivework. True or False2) The...
- Q 1) How well do the shapes of the equipotential curves and theelectric field lines reflect the geometry of the chargedistribution?2) One of the theoretical rules of electric fields is that...
- Q I need artıcles pdf or wored about Thermoluminescence doseresponse of the crystals grown naturally on rocks pdf or wored
- Q I am looking for masters on Thermoluminescence dose response ofthe crystals grown naturally on rocks pdf or wored
- Q I want to articles master about Thermoluminescence dose responseof the crystals grown naturally on rocks
- Q A stick is resting on a concrete step with 1/7 of its lengthhanging over the edge. A single ladybug lands on the end of thestick hanging over the edge, and...
- Q Consider the decay process E+ -> p + pi0. (a)(5 pts) What isthe Q value of this reaction in MeV?(b)(5 pts) What is the energyof each particle (in MeV) if...
- Q Radiation Exposure from Dental X-rays Dental X-rays exposepatients to about 5.00 μSv of radiation.4th attemptPart 1 (1 point)FeedbackSee HintSee Periodic TableGiven an RBE of 1.00 for X-rays, how many micrograys...
- Q howthe physics is the same and different for commercial planes ,private jets and private propellor planes
- Q The doctor is trying to decide what type of “feather†materialto give his creations so that they keep warm while sleeping in thewinter. Given the following data calculate the conductive...
- Q Please include detailed work for answersA piston contains 770 moles of an ideal monatomic gas thatinitally has a pressure of 1.23 × 105 Pa and a volume of4.2 m3. The...
- Q How do you perform the mechanical advantage equation and howtofind the f required to move a lever based on the resistance load,resistance arm, and the force arm
- Q While a roofer is working on a roof that slants at 45.0 ∘∘ abovethe horizontal, he accidentally nudges his 90.0 NN toolboxes,causing it to start sliding downward, starting from rest.a)If...
- Q calculate the conductive heat flux (W) for the different“feather†materials. Material “A†has a K of 0.036 W/mK andincreases the bird’s x by 2.769 x 10-3 m. Material “Bâ€has a...
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