Part A Find the component of force along the line connecting the two atoms, F,(r), on one atom as a function ofr. Express your answer in terms of the variables a, b, and r. F,(r) = Submit Request Answer Part B Find the equilibrium distance between the two atoms. Express your answer in terms of the variables a and b. ΑΣφ ? Tmin

Part A Find the component of force along the line connecting the two atoms, F,(r), on one atom as a function ofr. Express your answer in terms of the variables a, b, and r. F,(r) = Submit Request Answer Part B Find the equilibrium distance between the two atoms. Express your answer in terms of the variables a and b. ΑΣφ ? Tmin

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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Question B2 At low temperatures, a certain element has a hexagonal crystal structure with unit cell parameters a = 3.59 Å, c = 26.38 Å. The motif contains nine atoms at the fractional positions given in the following table: X y z 0 0 0 ○ 713 23 0 9 9 4959 23 79 13 23 13 23 0 23 ○ 23 0 23 13 23 -3 0 3 9 a) Calculate the angle 20 at which the first (lowest-angle) diffraction peak from this material will be observed using Cr Ka radiation of wavelength λ = 2.2896 Å. b) Crystallites (individual crystals) of this material have the form of flakes that are about 2 mm wide in the ab plane and about 2 μm thick in the c direction. Using a convolution argument, explain qualitatively what shape the diffraction peaks will have in 3D reciprocal space. c) Explaining your logic carefully, show that this is a close-packed structure. Give the layer sequence in ABC notation.
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Solve the following differential equations. You may have to leave your answer implicit. 1) y'=(y-4x)/(x-y) is it isobaric? 2) x(1+y2)y'+x2y3=0 hint: try the integrating factor λ(x)= 1/xy3
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High-intensity focused ultrasound (HIFU) is one treatment for certain types of cancer. During the procedure, a narrow beam of high-intensity ultrasound is focused on the tumor, raising its temperature to nearly 90°C and killing it. A range of frequencies and intensities can be used, but in one treatment a beam of frequency 4.40 MHz produced an intensity of 1425.0 W/cm. The energy was delivered in short pulses for a total time of 3.40 s over an area measuring 1.80 mm by 5.40 mm. The speed of sound in the soft tissue was 1580 m/s, and the density of that tissue was 1509.0 kg/m?. What was the wavelength A of the ultrasound beam? = m How much energy Eotal Was delivered to the tissue during the 3.40 s treatment? J Etotal = terms of use contact us help about us privacy polícy careers Show All V VS T.jpeg Free-Fall-Phet.docx free fall.png V VS T.jpeg FII F10 F8 F7 000 * F5 F6 aロ

SAMPLE PROBLEMS & SOLUTIONS Example 1: The interacting potential energy between two ions is represented by the following expression: -1.252 5.625 x 10-6 U = ..Eqn(1) r8 Where (r) is the distance in nm (1nm = 10-m) (U) is in kJ Calculate: a) The equilibrium distance ro in nm. b) The minimum bond energy in kJ. c) The maximum interionic force for the bond in kN.
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A sample of copper has a mass of 10.68 g when measured in air. It has a mass of 9.47 g when measured in water. Answer these four questions: What is the density of the sample? How many atoms are in the sample? What is the simple volume of the space including and surrounding each atom? Assume the atoms are evenly distributed throughout the sample. That is no FCC, BCC, or HCP crystal structure. What is the diameter of each atom?
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You blow up a spherical balloon to a diameter of 59.0 cm until the absolute pressure inside is 1.10 atm and the temperature is 22.0 °C. Assume that all the gas in N₂ is of molar mass 28.0 g/mol. Part A Find the mass of a single N₂ molecule. Express your answer in kilograms. m = Submit Part B K= 15. ΑΣΦ Submit Request Answer How much translational kinetic energy does an average N₂ molecule have? Express your answer in joules. 15| ΑΣΦ ? Request Answer kg ? J Re
The enthalpy of 36 g of water vapor increases by 1830 J when its temperature increases from 150C to 175C. Assume that water vapor is an ideal gas. 1. What is the molar specific heat at constant pressure in SI units for water vapor? 2. By how much did the water vapor’s thermal energy increase? Express your answer with the appropriate units.
M Inbox (44,3 x w Virginia Cor X Frcc Chapter 4 H x Visual session.masteringphysics.com/myct/itemView?assig Apps Getting Started Thomson Reuters o ADP ezLaborManag Ch 07 HW Exercise 7.35 - Enhanced - with Feedback The potential energy of two atoms in a diatomic molecule is approximated by U (r) = a/r-b/r°, where r is the spacing between atoms and a and b are positive constants.