The nucleus of an atom can be modeled as several protons and neutronsclosely packed together. Each particle has a mass of 1.67 x 10-27 kg andradius on the order of 10-15 m.(a) Use this model and the data provided to estimate the density of thenucleus of an atom.| kg/m³(b) Compare your result with the density of a material such as ironw = 7874 kg/m?). What do your result and comparison suggest about thestructure of matter?

Formula of density is as follows: ρ=mV…

Answered: The nucleus of an atom can be modeled…

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Pd Pd 1. Let's consider a toy model of nuclear fission. Suppose an nucleus of Uranium-235 (92 protons, molar weight of 235 g/mole) "splits" into two "daughter" nuclei of Palladium (46 protons each) – this is not how it really happens, but it's a very simple model that actually gives fairly accurate results. The radius of the original U-235 nucleus is about 7.4 x 10-15 m. (a) If the Pd nuclei each have half the volume of the U nucleus, which is reasonable, and they are "touching" right after the split, how far apart are their centers? (b) Using conservation of energy, what will be the sum of the kinetic energies of the Pd nuclei when they are far apart from each other? (c) That's energy of one atom undergoing fission, so what, then, is the energy released by the fission of 1 kg of U-235? Express this in Joules and also in kilotons of TNT, where 1 kt = 4.2x1012 J. (The Hiroshima bomb yielded about 15 kt) (d) How many kwh (kilowatt-hours) of energy is this, (1 kwh = 3.6x10° J), and (if…
The nucleus of an atom can be modeled as several protons and neutrons closely packed together. Each particle has a mass of 1.67 x 10-27 kg and radius on the order of 10-15 m. (a) Use this model and information to estimate the density of the nucleus of an atom. 3.986E177 Your response differs significantly from the correct answer. Rework your solution from the beginning and check each step carefully. kg/m³ (b) Compare your result with the density of a material such as iron. What do your result and comparison suggest about the structure of matter?
The settling rate of particulates in the air follows Stokes' law. If particulates of diameter of 10 nm emitted in the atmosphere are found to settle out after 2 days, how long would it take particulates of the same material with a diameter of 5 nm to settle out if they are emitted from the same source?
What is the mass of a lead sphere whose diameter is 0.50 m given density of steel is 7800 kg/m3 ? O 2043 kg O 193 kg 507 kg O 514 kg Next Na now ata to cavo Lact chockod at 0.2Qnm c..hmit
You are on an interstellar mission from the Earth to the 8.7 light-years distant star Sirius. Your spaceship can travel with 70% the speed of light and has a cylindrical shape with a diameter of 6 m at the front surface and a length of 25 m. You have to cross the interstellar medium with anapproximated density of 1 hydrogen atom/m3.(a) Calculate the time it takes your spaceship to reach Sirius.(b) Determine the mass of interstellar gas that collides with your spaceship during the mission.Because you are moving at an enormous speed, your mission from the previous will be influenced by the effects of time dilation described by special relativity: Your spaceshiplaunches in June 2020 and returns back to Earth directly after arriving at Sirius. (c) How many years will have passed from your perspective?(d) At which Earth date (year and month) will you arrive back to Earth?
The nucleus of an atom can be modeled as several protons and neutrons closely packed together. Each particle has a mass of 1.67 ✕ 10−27 kg and radius on the order of 10−15 m. (a) Use this model and the data provided to estimate the density of the nucleus of an atom. kg/m3 (b) Compare your result with the density of a material such as iron (ρ = 7874 kg/m3). What do your result and comparison suggest about the structure of matter?
The number of atoms diffusing through a membrane with an area of 4 cm? is 6.16×1013 atoms/sec (based on the definition of flux =M/A.t). Concentration gradient (Ac/ A x) for diffusing atoms with D=9×10- 12 cm?/sec becomes. Note: J = - D(Ac/ A x) -1.71×1023 -1.71×1024 -1.71×1022 -1.71×1024
[#1611] Nor any drop to drink Estimate the mass of water on the earth. The density of water is 1000 \text{ kg}\cdot\text{ m}^{-3}1000 kg⋅ m−3. Here are some approximations you can use: Compared with the oceans, lakes and rivers are tiny. Clouds have very low density. There is (still) lots of ice in the polar regions, but much less area than in the oceans. So neglect all except the oceans, which cover roughly 2/3 of the earth. Looking at charts of the oceans, we see that the depth is typically several thousand m (and a serious search tells me the average depth is 4700 m). The radius of the earth is about 6000 km. The surface area of a sphere is 4\pi R^24πR2.
You are on an interstellar mission from the Earth to the 8.7 light-years distant star Sirius. Your spaceship can travel with 70% the speed of light and has a cylindrical shape with a diameter of 6m at the front surface and a length of 25 m. You have to cross the interstellar medium with an approximated density of 1 hydrogen atom/m³. (a) Calculate the time it takes your spaceship to reach Sirius. (b) Determine the mass of interstellar gas that collides with your spaceship during the mission. Note: Use 1.673 × 10¬27 kg as proton mass.
You are on an interstellar mission from the Earth to the 8.7 light-years distant star Sirius. Your spaceship can travel with 70% the speed of light and has a cylindrical shape with a diameter of 6 m at the front surface and a length of 25 m. You have to cross the interstellar medium with an approximated density of 1 hydrogen atom/m3 . (a) Calculate the time it takes your spaceship to reach Sirius. (b) Determine the mass of interstellar gas that collides with your spaceship during the mission. Note: Use 1.673 × 10−27 kg as proton mass. Considering the effect of time dilation c)how many years will have passed from your perspective?d) at what earth date will you arrive to earth? ( your spaceship launches in june 2020 and returns back to earth directly from sirius)
> In this problem you will consider the balance of thermal energy radiated and absorbed by a person. Assume that the person is wearing only a skimpy bathing suit of negligible area. As a rough approximation, the area of a human body may be considered to be that of the sides of a cylinder of length L = 2.0 m and circumference C = 0.8 m. For the Stefan-Boltzmann constant use o= 5.67 x 10-8 W/m²/K4 Part C Now calculate Por, the thermal power absorbed by the person from the thermal radiation field in the room, which is assumed to be at Troom = 20°C. If you do not understand the role played by the emissivities of room and person, be sure to open the hint on that topic. Express the thermal power numerically, giving your answer to the nearest 10 W. View Available Hint(s) Por= Submit Part D [-] ΑΣΦ. Pnet = 17] ΑΣΦ Find Paet, the net power radiated by the person when in a room with temperature Troom= 20°C. Express the net radiated power numerically, to the nearest 10 W. ▸ View Available Hint(s)…
Additional Info: ∫ vdP is integral of volume with respect to Pressure ∫ pdV is integral of pressure with respect to Volume. Please give solutions to the given questions in the problem.

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