Physics question and answers for August 14, 2023
- Q Paul Stender’s car has a rocket attached to it. While on, therocket provides a thrust force of 51,500 Newtons. The car has asmass of 3,222kg. The coefficients of friction with...
- Q An object is launched horizontally with a speed of 78.8 m/s. Itlands on the ground 19.6 m from where it was launched. How highabove the ground was it launched from?...
- Q Why might including more than 1 Closed Feedwater Heater increasethe efficency of an Ideal Rankine Cycle?
- Q Elaborate the application, advantages and disadvantages of Beerslaw in the pharmaceutical spectroscopy?
- Q Uranus has moved 4.0 degrees across the sky in one year. Neptunehas moved 2.1 degrees across the sky in one year.1. How many degrees should a planet move across the...
- Q A 10.0 kg metal block measuring 12.0 cm X 10.0 cm X 10.0 cm is suspended from a spring scale (mass meter) and immersed in water. The 12.0 cm dimension...
- Q Two forces, F⃗ 1F→1F_1 and F⃗ 2F→2F_2, act at a point. F⃗1F→1F_1 has a magnitude of 9.80 N and is directed at an angle of65.0 degrees above the negative x...
- Q Imagine that you place your stereo speakers outside (to providemusic for a party). They are places distance of 1.5 m apart along aline we will call the y axis. Imagine...
- Q Is the atmosphere of a planet orbiting a hot F star likely toabsorb or reflect more incoming radiation from its star than an Mstar? Why? What about the surface (assuming...
- Q A) A runner begins to run from rest and it takes him 10.4 metersto speed up to a speed of 12m/s. What is this runner'sacceleration?B) What is the final speed...
- Q An arrow is shot straight up from a horizontal level with aninitial velocity of 45j m/s.A. Find its flight time.B. Find its position at t=6.0sC. What is its velocity at...
- Q Consider a shallow-water wave of length 1.5km propagating in anocean that is 62.5m deep.a) Calculate the wave’s speed C and period T. (3P)b) Now suppose that this wave propagates into...
- Q If you length a bar magnet describe the affect in the shape ofits magnetic field?
- Q A 1000. kg remote-controlled stunt car traveling at 17.0 m/snorth collides with a 900. kg remote-controlled stunt car travelingat 18.0 m/s east. What is the speed of the entangled carsimmediately...
- Q State v. StewartDid she shoot him dead in self-defense?
- Q 1. Calculate the filling factor of a photovoltaic cellwhose dimensions are 15 cm per side, and a thickness of 200 µm ofwhich 99% correspond to the “p†type absorbent layer...
- Q 1)Describe TWO differences between viscous and inviscid flows inBalance Law of Linear Momentum.
- Q ahigh speed dart is shot from ground level with a speed of 140 m/sat a angle 30 degrees above the horizontal. 1. What is thespeed& direction of the dart after...
- Q Question 5. The 2.50 µc point charges are located on the x-axis.One is at x = 1.00 m, and the other is at x = -1.00 m. Determinethe electric field...
- Q As part of an interview for a summer job with the Coast Guard,you have been asked to help determine the search area for twosunken ships by calculating their velocity just...
- Q If the Sun were to become a black hole but maintain all of itsmass, what would be its Schwarzschild radius? Given this and thefact that Earth’s average distance from the...
- Q Can the Hubble Space Telescope (2.4 m diameter) or thelargest optical telescope on Earth(the Keck Telescope in Hawaii with 10 m diameter) observe manmadeitems left on the moon(e.g. the flag...
- Q A 38.0-kg crate is being pushed along a horizontal surface. Theapplied force is 94.0 N directed at an angle of 18.0° below thehorizontal and the coefficient of friction is .21.a)  Draw...
- Q The cube in the figure has edge length 1.20 m and is oriented asshown in a region of uniform electric field. Find the electric fluxthrough the right face if the...
- Q Thermodynamics and Statistical Mechanicsproblem:Write the formula for the partition function Z of an electron ina hydrogen atom. If the sum is finite, to what value does itconverge? If the sum...
- Q A child of mass mc = 35 kg stands on the rim of africtionless merry go round, which acts like a solid disk of massmm = 55 kg and radius...
- Q For astronomy class, please answer this question clearly, thankyou .Titan’s atmosphere contains a large amount of photosensitivemethane. We know because of basic physics and chemistry that theremust be a source...
- Q William leaves Kitchener and Mike leaves Rockwood at thesame time both headed towards each others’ city along identicalroutes. They both have constant speeds but Mike’s is greater. Theypass each other...
- Q An electron is trapped in a two-dimensional region of ?? =??=1.00x10-10 m (a typical atomic diameter). a. Find the energies ofthe ground state and first two excited states. b. How...
- Q Derive the moment of inertia, of triatomic linear rotors
- Q (a) An object is subjected to the force F =3x3 z ı ^ + 5 z2k ^ N, wherex and z are in metres. The object can only move in...
- Q A roller coaster starts at ground level and rises up 139 m abovethe ground on the first hill. What is the maximum speed it can havewhen it rolls down to...
- Q A 7.5–nF capacitor is charged up to 12.0 V, then disconnectedfrom the power supply and connected in series through a coil. Theperiod of oscillations of the circuit is then measured...
- Q A student put a red rose under blue light and the rose appearsblack. Student places rose under red light and it appears red.Explain this student's conclusion using the laws of...
- Q Consider an atom with four energy levels, where the lowestenergy is -10 eV and the highest level is 0 eV. Sketch anenergy-level diagram that could produce the spectrum. What are...
- Q 1.The same horizontal force, of magnitude F, is appliedto two different blocks, of mass m and 3m Theblocks move on a frictionless surface and both blocks begin fromrest. If each...
- Q I am playing pool and i hit a trick shot. I hit the ball at anangle 55 degrees. with a force of 10 newtons for .4seconds. Theball ihas a radius...
- Q Provide the VHDL specification of a hybrid 32-bit adder thatcascades 2 12 bit carry look ahead adders and one 10 bit carry lookahead adder.a) Compare your adder with a full...
- Q Two friends, Al and Jo, have a combined mass of 166 kg. At theice skating rink, they stand close together on skates, at rest andfacing each other. Using their arms,...
- Q A sealed container of volume 7 m3 has twocompartments with a barrier in between them. In one compartment,there is O2 at an initial pressure of 3 atm, initial temperature of540...
- Q Prove the Kepler's laws with calculus.1.- The orbit of a planet is an ellipse with the Sun at one ofthe two foci.2.- A line segment joining a planet and the...
- Q Which of the following statements are true concerning signconventions for image formation?Check all that apply.a.A converging lens has a negative focal length; a diverginglens has a positive focal length.b.For an...
- Q Two large parallel copper plates are 3.60 cm apart and have auniform electric field of magnitude E = 7.98 N/C between them (seethe figure). An electron is released from the...
- Q he isotope 81Thallium204 has a half-life of 3.78 years and canbe used as a nanotechnology MEMS (Micro Electric Mechanical System)power source device. It decays through beta emission into 82Pb204with a...
- Q Question 1You find thatstatistical uncertainty is your largest measurement uncertainty andthat the IV value is your largest propagated uncertainty. How canyou try to improve both uncertainties in the simplest, but...
- Q Is about opticsPlease make all the math then explain physically according theproblem and justify the equations !!Determine the intensity of the first three maximums in theFraunhofer diffraction of a slit...
- Q Suppose that you shine light from a laser through two slits thatare placed one in front of the other, separated by 0.6mm. The widthof each slit is 0.12mm. The light...
- Q Suppose we had to create a classical forcefield for the gaseouscarbon dioxide molecule. What are the different types ofinteractions that would need to be included in a molecularmechanics/dynamics simulation for...
- Q A device consists of 8 balls with mass .6kg attached to the endsof low mass spokes of length 1.8m, so that radius of rotation is.9m. it's held in a verticasl...
- Q Se suspende de una balanza de resorte (medidor de masa) unbloque de metal de 10.0 kg que mide 12.0 cm X 10.0 cm X 10.0 cm yse sumerge en agua....
- Q 1. A string is fixed at both ends. If only the length (L)increases, then the fundamental frequency goes: (circle one)updown2. If only the tension (T) increases, the fundamental goes:(circle one)updown3....
- Q A man holding a rock sits on a sled that is sliding across afrozen lake (negligible friction) with a speed of 0.450 m/s. Thetotal mass of the sled, man, and...
- Q Since the state of emergency is set, a metal rod leads1200 J off a 400 K reservoir to one with a temperature of 250 K fora certain amount time interval....
- Q Delete
- Q Can you use the same variational wave function as in (2) todetermine the energy of the first excited state of theone-dimensional harmonic oscillator? Why or why not?
- Q Problem: A popular brain teaser is to consider the motion of aquarter when you roll it around another one; how many times willWashington’s head rotate while the quarter rolls once...
- Q You're driving down the highway late one night at 20 m/s when adeer steps onto the road 39 m in front of you. Your reaction timebefore stepping on the brakes...
- Q What are the recent technology of x-ray fluoroscopy?
- Q 1.A radioactive sample has a half-life of 2.5 min. What fractionof the sample is left after 40 min?2. The energy of a 2.00 keVelectron is known to within
- Q Ina RLC circuit of 60 ohm resistor, a 0.1 H inductor, and a 30microfarad capacitor. it is attached to a 120/60 Hz household powerline.calculate:a) peak currentb) the phase anglec) the...
- Q Moving with proton i = (2i + 3j - k) m / s velocity ina region where uniform magnetic field B = (21i + 4j + k) T anduniform electric...
- Q How do you estimate the uncertainty?
- Q 2 identical magnets are arranged with like poles facing eachother on a frictionless 30 degree slope. The magnet on the lowerposition is held in place and can't move. the magnet...
- Q a) A photon of frequency 8.2 x 1015 Hz is incidentupon a photoelectric apparatus containing a metal whose thresholdfrequency is 3.6 x 1015 Hz. What is the stoppingvoltage?b)A photon of...
- Q Two friends hold on to a rope, one at each end, on a smooth,frictionless ice surface. They skate in a circle about an axisthrough the center of the rope and...
- Q A guy named Joe, who is 1.6 meters tall, enters a room in whichsomeone has placed a large convex mirror with radius of curvatureRRR equal to 30 meters. The mirror...
- Q The diameter of Mars is 6794 kmkm , and its minimum distancefrom the earth is 5.58×107 kmkm .For related problem-solving tips and strategies, you may want toview a Video Solution...
- Q Three small balls of mass 5.6 kg, 2.2 kg, and 2.8 kg areconnected by light rods laying along the y-axis. The rod connectingthe first and second balls is 4.6 m...
- Q A bus contains a 1500 kg flywheel (a disk that has a 0.55 mradius) and has a total mass of 11000 kg.m = 1500 kgr = 0.55 mmt = 11000...
- Q A 90.0 cm^3 box contains helium at a pressure of 2.50 atm and atemperature of 100 ∘C. It is placed in thermal contact with a 220cm^3 box containing argon at...
- Q Amber (n = 1.546) is a transparent brown-yellow fossilresin. An insect, trapped and preserved within the amber, appearsto be 1.8 cm beneath the surface when viewed directly from above.How far...
- Q IM.82 A distributor of industrial equipment purchasesspecialized compressors for use in air conditioners. The regularprice is $55, however, the manufacturer of this compressor offersquantity discounts per the following discount schedule:...
- Q Explain echo and doppler effect in details
- Q Answer/Complete the Following Concerning the High PlainsAquifer:What is an aquifer?What is the High Plains Aquifer and where is it located?When and how did the High Plains Aquifer form?What is the...
- Q A siren emitting a sound of frequency 1100 Hz moves away fromyou toward the face of a cliff at a speed of 15 m/s. Take the speedof sound in air...
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