Calculate the activation energy for vacancy formation for an unknown fcc metal if the density of of vacancies at 800 °C is 7 1023 atoms/m³. Assume the lattice parameter is 4.00A. please do it in 15 minutes
Q: The voltage supplied to an ac circuit is given by v = (120 sin(60t))V. What are the rms voltage and…
A: We have a voltage supplied to an ac circuit which is given by V=120sin(60t) which is in volts. We…
Q: Determine: Force of gravity? Weight of a block of mass 13.2 kg? take g= 10 m/s²
A:
Q: In the mentioned figure, electron's kinetic energy is plotted with the number of electrons during…
A: In this question we have to find the correct statement. Please give positive feedback if the answer…
Q: A plane that is capable of travelling at 140 m/s wishes to travel due north from City A to City B,…
A: Given:- A plane that is capable of traveling at 140 m/s wishes to travel due north from City A to…
Q: If the current travels before most of it have leakage out through membrane for unmyelinated axon is…
A: It is required to find the radius of the axon. It is given that, Rm=0.2 Ω.m2 ρa=2 Ω.m Cm=10-2 F.m-2…
Q: A force of 13 kN on a body of mass 3 kg for 3 seconds initially at rest. Find the velocity acquired…
A:
Q: The pitch of a screw gauge is 0.5 mm and the head scale is divided in 100 parts. What is the least…
A:
Q: 3. Three identical point charges each of charge q are located at the vertices of an equilateral…
A:
Q: The normalization constant (in SI units) for a PIB model with box size of 5.27 nm is O a. 23859 O b.…
A: Given: The size of the box is 5.27 nm.
Q: particle is 6.68 x 10-27 kg. (co) (a) In a Newton's Rings experiment, it is known that the 5th dark…
A: in this question we will get equation of radius for newton's ring and answer according to second…
Q: Calculate the displacement in m and velocity in m/s at the following times for a rock thrown…
A: Given:initial velocity, u = 13.6 m/s in downwards directionacceleration of the rock , a = g = 9.8…
Q: A star with mass m, period Ti = 30 days, and radius ri = 1E4 km collapses into a neutron star (Links…
A: Since you have posted a question with multiple sub-parts, we will solve the first three subparts for…
Q: For the vectors shown, analytically determine the resultant. R = A + B A = 4 45° Resultant =…
A: Given value--- A = 4 unit , 45 degree with positive X axis. B = 3 unit , 30 degree with negative X…
Q: The pitch of a screw gauge is 0.5 mm and the head scale is divided in 100 parts. What is the least…
A:
Q: Three point charges are placed at the corners of a rectangle, as shown in the figure. determine the…
A: Given: q1=-4 μCq2=+3 μCq3=+5 μC The separation between charge q2 and point A is 15 cm = 0.15 m. The…
Q: Calculate the wavelength of a soccer ball with a mass of 500 g that moves at a speed of 72 km/h, Is…
A: Given Data: m = 500 g = 0.5 kg v = 72 km/h = 20 m/s
Q: A student drives his car 6.0 km North before making a right-hand turn and driving 6.0 km to the…
A:
Q: A person pushes a 16.0 kg lawn mower at constant speed with a force of 84.0 N directed along the…
A: Mass of the lawn mower, m=16 kg Force applied, FAPP=84 N Angle with the horizontal, θ=45°
Q: A flea jumps by exerting a force of 1.17 x 10-5 N straight down on the ground. A breeze blowing on…
A:
Q: 2. Two boxes are connected with a rope. a) what is the acceleration for both those boxes? b) what is…
A: Part (a) solution
Q: An airplane has a takeoff speed of 88.3m/s. To reach such speed, it requires approximately 1365m at…
A: Since you have asked multiple question, we will solve the first question for you. If you want any…
Q: Current Attempt in Progress In the figure, a horizontal force of magnitude 22.0 N is applied to a…
A: Draw the free-body diagram of the book.
Q: A bullet is fired from a rifle vertically upward with initial speed v. = 65m/s. It hits a flying…
A:
Q: "art A a= hat would its deceleration be if the road is inclined at 9.3 and the car moves uphill?…
A: Given:- a= -3.4 m/s2 ø= 9.3° f= μN = μmg f= -ma => μmg= -ma => μ= -a/g = 3.4/9.8 = 0.35
Q: What is the vrms of hydrogen on the surface of the sun if its temperature is 5.36E3 degC? What is…
A:
Q: A uniform charged conducting sphere of 1.3m diameter has a surface charge density of 7.1µc/m2. Find…
A: In the given question, Diameter of the charged sphere (d) 1.3m Surface charge density ( σ) =…
Q: For the given vectors, determine the magnitude of the vector difference V₂-V₁ and the angle which it…
A:
Q: In the figure shown below, the weight (W) is 1,745N. What is the magnitude of the tension in the…
A:
Q: A space colony at L5 would have effectively an unlimited supply of rocket fuel plastic…
A: L5 is a Lagrange point.
Q: 1. Some nickel having a mass of 61.51 g was heated to 100.0 °C and then put it into 100.0 mL of…
A:
Q: Problem 1: Solve the Simple Harmonic Oscillator?
A:
Q: We need to estimate the temperature at recombination from the figure below. (Estimate a temperature…
A: From the graph, the temperature at the recombination i;
Q: A 7.00 turn circular coil of wire is centered on the origin in the xy-plane. The coil has radius r =…
A: Given:- The Number of turns of the circular coil is N = 7. The radius of the coil is r = 0.3 m. The…
Q: Coulomb's Law yields an expression for the energy of interaction for a pair of point charges. V = V…
A: Given:- The expression of energy is given as V = 2.31×10-19Q1Q2r We have given a group of a point…
Q: What is the inertia of a bowling ball (mass = 0.5 kg) of radius 15 cm rotating at an angular speed…
A: in this question we have to find inertia so we don't considered speed in equation.
Q: An accelerating voltage of 2.70 x 10³ V is applied to an electron gun, producing a beam of electrons…
A:
Q: Suppose the Hubble constant were not 22 but 12.1 km/s per million light-years. Then what would the…
A: Write the expression for the volume of the sphere. Write the expression for the mass. Here, ρ is…
Q: An m=60 kg diver jumps off a diving board h=3 m above the water that acts like an ideal spring with…
A: Since you have asked multiple questions, we will solve the first question for you. If you want any…
Q: What is the magnitude and direction of the electric field at a point where an electron experiences a…
A: Given: F = force on electron To be determined: Magnitude and direction of electric field E
Q: с B A you push on box A with a force of 8.25 N, find the contact force (in N) between
A: GivenFP=8.25 NmA=7.1 kgmB=4.5 kgmc=1.5 kg
Q: A weatherman carried an aneroid barometer from the ground floor to his office atop the Sears Tower…
A: Correct Answer: Option (A) i.e. 1455 ft
Q: Two negative point charges q1 and q2, in C, are separated a vacuum by a distance of 3.0 m. Charge q1…
A:
Q: Describe the phenomenon of lightning
A: Describe the phenomenon of lightning
Q: A pebble is thrown is vertically upwards with a speed of 25m/s. How will it go after 2 sec ? Take…
A:
Q: The 6-kg block B will move a distance of 0.6 meters up along the smooth inclined plane in t =3…
A: According to Newton's second law Fnet= maWhere Fnet is the net force , m is total mass and a is…
Q: A force of 16 N acts on a body of mass 3 kg for 5 s initially at rest. Calculate the velocity…
A:
Q: A horizontal power line of length 54 m carries a current of 2.1 kA as shown in the figure below.…
A:
Q: An accelerating voltage of 2.72 x 10³ V is applied to an electron gun, producing a beam of electrons…
A:
Q: Choose the correct answer. Briefly explain and show your solution. Thank you.
A: We should note the following few points before answering the above question. Electric field inside a…
Q: really need
A:
Step by step
Solved in 2 steps
- The parameters o and & in Lennard-Jones potential in Argon (Ar) crystals are o = 3.40 x 10-10 m and ɛ = 1.67 x 10-21 J. The lattice sums for the BCC (body-centered cubic) structures are E C" Pī12 = 9.11418, ECC Pī = 12.2533, and the lattice sums for the FCC structures are 2CC Pī12 = potential, calculate the equilibrium separation and cohesive energies (in unit of electron voltage or eV) for BCC and FCC configurations. -6 %3| 12.13188, ECC Pi = 14.45392. Using the Lennard-Jones %3DBody-centered cubic structure. (a) Show that for BCC the lattice length a in terms of the atomic radius is 4R/√3. (b) Calculate the volume of a BCC unit cell in terms of the atomic radius R. (c) Show that the atomic packing factor for the BCC crystal structure is 0.68.Consider a three-dimensional crystalline lattice formed of Cu and Zn atoms. The Cu atoms form a simple cubic lattice with the lattice constant a. The Zn atoms are at the center of the cube. a) Write down the structure factor S, associated with the reciprocal lattice vector G = vib1 + vzb2 + v3b3 in terms of the atomic form factors f and f, b) If Cu and Zn atoms randomly occupy every lattice site, then the form factor associated with every lattice site can be assumed to be the same, namely the average of the two form factors. Which Bragg spots will vanish in this case?
- constant = 1. If 1 × 1015 boron atoms per cm³ are uniformly added to silicon (diamond structure, lattice 0.543 nm) as a substitutional impurity, determine what percentage of the silicon atoms are displaced in the single crystal lattice, i.e., the concentration of boron as an impurity in silicon.In solid KCI the smallest distance between the centers of a. potassium ion and a chloride ion is 314 pm. Calculate the length of the edge of the unit cell and the density of KCI, assuming it has the same structure as sodium chloride.Suppose a pure Si crystal has 5 × 1028 atoms m-3. It is doped by 1 ppm concentration of pentavalent As. Calculate the number of electrons and holes. Given that ni =1.5 × 1016 m-3.
- What is the hole diffusion constant (cm2/s) in a piece of silicon doped with 3x1015cm-3 of donors and 7x1015cm-3 of acceptors at 350K and with mobility 310 cm2/V.s? 9.4 O 10 O 7.4 O 11.4Hcp structure. Show that the c/a ratio for an ideal hexagonal closed-packed structure is () = 1.633. If c/a is significantly larger than this value, the crystal structure may be thought of as composed of planes of closely packed atoms, the planes being loosely stacked.Calculate the radius of a nickel atom in cm, given that Ni has an FCC crystal structure, a density of 7.982 g/cm³, and an atomic weight of 58.69 g/mol.
- 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 three questions: 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?Calculate the primitive translation of the reciprocal lattice vector as well as the volume of the zinc crystal structure.The equilibrium dissociation energy of O2 is De = 4.314 ev. The basic vibration frequency of O2 is f = 1620.0 cm -1. So how much energy is actually needed to dissociate O2 molecules at n = 3 vibrational level? Give your answer in EV.