4The effect ef stimulated and spentaneous emissionson the Chanse of Plane Count aned EE Can be expressed bjthe equation

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

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

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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 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: B. What is the power radiated from a nude body 1.75m² in the area

A: Solution:-Given thatBody surface area (A)=1.75 m2Normal body temperature (T)=37°C=37+273=310…

Q: At the surface temperature of the sun T = 5800 k, diameter R = 7 * 10^8 m, and at the average…

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: need the answer quickly

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

Q: A projectile is fired with an initial velocity of 400 m/s hits a cliff 2000 meter apart determine…

A: range = V0 cos(60) x t  here V0 = 400m/s time of flight is t seconds range = 2000m thus, time (t) =…

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: 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…

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

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Q: Problem no1: Canon located on the tower at the sea side has fired the canon-ball of weight 15 kg…

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Q: Q2/(1) If a-i+2j- 3k and 5 4i+7k, then 2d+35 in zerms of i, j, and k is Ji + 2j +4k. 3M (a) True,…

A: Given  Vector a = i + 2 j - 3k Vector b = 4i + 7 k We have to find vector  2a + 3b in terms of i, j…

Q: The kinematic equation of a material point motion has the form x = A + Bt + Ct², where

A: The position of particle is x=A+Bt+Ct^2   =1.7+5.6t+3.1t^2

Q: 06 what we mean by conservation of angular momentum for system of particle motion?

A: It is asked conservation of angular momentum for system of particle motion:

Q: 2. A pipe with a radius of 2 cm is connected to another pipe with a radius of1 cm. If the velocity…

A:

Q: Generalised potential for a system is U (q,4)= (9+ġ)' .corresponding generalised 2 11. force is :…

A: Force on a system is defined as gradient of potential.

Q: The apple falls from the height of 380 m, the time of its flight and speed when it reaches the land.…

A:

Q: Q6- In plaster mold we use plaster as expendable material, what are the additional material use in…

A: The additional material which we used in plaster molding is ,Gypsum , water ,Magnesium oxide .

Q: Is a photon absorbed by atoms when its energy is less than the energy difference between orbits?

A: Given: energy of photon is less than the energy difference between the orbits To find: Is that…

Q: Three charges Q, is 1 nC located at P(1,0,0), Qa is-2 nC located at P:(0,0,0) and Q, is 1 nC located…

A: We know that the formula of the electric force is given as  F = kq1q2r2 The formula of the electric…