Q 6/ A- Given that the density and atomic weight of iron are 7.65 g/em and 55.859 g/mol respectively ,and that the activation energy for vacancy formation 1.08 ev/atom, NA (6.023X10), k(8.62X10) ev/atom.K.Determine the concentration of vacancies at 850 "C?

Q: Problem 70. A group of three skiers stand atop a hill inclined at a steady angle of 8°. One skier…

A: Given, θ=80μK1=0μK2=0.04μK3=0.1H=200 m

Q: The block of mass 10.0-kg is at rest initially and attached to a spring, and the spring constant is…

A:

Q: spring has static equilibrium the weight is given suddenly an initial velocity of (50 cm/sec)…

A:

Q: 48. A particle of m moves along x axis under the action of a foce J. Its motion is described by the…

A: F=-2kx3f=-dvdx=2kx3v(x)=2k∫dxx3=-kx2 KE=12mv2=12mdxdt2

Q: 1- tind R for P=120W 4 I 4 A? %3D 2- find V for P= 64 w 4 R: 8 ?

A: given Power(P)=120 W          Current (I)=4 A formula using P=I2R, R is Resistance…

Q: The Toad foom hay del Alant on Vanies of minimum. maximum Two capacitics have 10000 KW 35006 Kw…

A:

Q: Complete the Hooke's Law Experience Report by making use of the accompanying readings in the table…

A:

Q: 4- Two series of sound waves, the length of the first (3.5 m) and the second (3.4 m), overlapped, so…

A: Given information: The wave length of the waves: λ1=3.5 mλ2=3.4 m The beats heard per sec (nb) =…

Q: Flag question Let a and b be two unit vectors. a.(a+ (axb)) (a x b) + (bxa) a. (a x b) ax (a.b)…

A:

Q: The x and y components of the acceleration of gravity (g) are:

A: Acceleration due to gravity acts directly downward direction

Q: Q4:-Find the kinetic energy of a proton whose de Broglie wavelength is 1.00fm= 1.00x10-15 m. [rest…

A:

Q: Problem 1: (a) Derive the relation of the shortest wavelength limit of X-rays generated with the…

A: (a) X-rays are commonly produced  by accelerating electrons through a potential difference (a…

Q: Two strings, A and B, have respective mass densities µA and µB respectively. The linear mass…

A:

Q: The speed of sound in water, which has a bulk modulus of 2.1x10^9 N/m^2 at zero degrees Celsius, is:

A:

Q: The block start from rest moving from A in the frictionless path. find: a) The speed at B. b) The…

A: Initial Height H = 4R Initial velocity = 0

Q: A long, straight metal rod has a radius of 6.00 em and a charge per unit length of 26.2 nCm. Find…

A: Given data: -  The radius of the straight metal rod is R = 6.00 cm. The charge per unit length is λ…

Q: 1- Work done by friction (a) increases kinetic energy of body (c) increases potential energy of body…

A:

Q: What is the relationship between the reciprocal lattice and Bragg's law? prove that Bragg's law is…

A:

Q: the probability that a state located at the bottom of the conduction band is filled in non-…

A: For an intrinsic semiconductor, the fermi level lies exactly in the mid way of the two bands. The…

Q: need the answer quickly

A: Consider a uniformly charged sphere of radius R having a charged q, The energy of this sphere is…

Q: sample of blood of density 1060 kg/m^3* is flowing at a velocity of 0.2 m/s through a blood vessel…

A:

Q: Points A (at (2, 3) m] and B [at (5, 7) m] are in a region where the electric field is uniform and…

A: The potential difference is defined as V = E→.dr→

Q: A car is approaching at a traffic light at a speed of 15 m per second When the light turns red, the…

A:

Q: Determine the coefficient of linear expansion if the length of metal change from 10- 10.02 m and the…

A: 1. Given Length of metal change = 10 - 10.02 m Temperature                   = 30 - 80 K

Q: Consider a semiconductor bar with w 0.1 mm, d 10 µm and L-5 mm. for B-104 Wb/cm², and a current of 1…

A:

Q: We have an electrical circuit whose different elements are connected to an alternating current…

A: The electric field is a vector quantity that arises from electric charge. It also corresponds to…

Q: 2.21 and 2.22 Drtermite the x and y cmpowits of eacli of the forces shown. 120N 60 Ib 80 N 100N 30…

A: Given, Force vectors in x-y plane.

Q: 2. F = e²i+yj + x²yk, A. y²i2zy2j-e²k B. x²i-2y2j-e²j C. y²i-2z2j-e²k D. z²i2zy2j+e²k E.…

A: