2. The value of k in coulomb's law depends upon medium between two charges medium between three charges O distance between charges O all of the above

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

A:

Q: Q6:The block shown in fig.(3) weighs 5N and is held up by the water jet issuing (20M.) from the…

A: Given that: Weight of the block, W=5N Flow rate,Q=1.6lit/s=1.6*10-3 m3/s Diameter of the nozzle,…

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: erimentalist clai ts, a heat engim R, converts 16

A: GivenQ1=300 BtuT1=900 RW=160 BtuT2=540 R

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: 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: 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…

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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: A block of mass m = 18 kg is suspended by a cable of negligible mass as shown in the figure below.…

A:

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

A:

Q: Q1\Given two vectors P=2ax-ay + 3a, and Q = 4ax +3ay + 3a, find 1- a unit vector perpendicular to…

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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: An aeroplane is flying horizontally with a velocity of 216 kmh' and at a height of 1960 m. When it…

A:

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: A toy gun fires rubber pellets (mass = 4.1 grams) at plastic targets (mass = 95 grams). A target is…

A:

Q: A photographer has a camera with a focal length of 75 mm, in front of which an object is moving from…

A: Given, focal length of camera is f=75 mm

Q: Q2) If the volume charge density in space is specified as -20*Epsilon_not*sqrt(y) MC/m^3;where the…

A:

Q: A mass M attached to a spring oscillates with a period of 2 s. If the mass is increased by 2 kg the…

A: We are aware that a mass M suspended from a spring oscillates with a 2 s period.The time lengthens…

Q: In rock samples, the C^14 activity measured 12 mC (12 millicurie). C^14 half-life 5730 year.…

A: In radioactive decay, the substance having unstable nuclei emits radiation and loses energy. It…

Q: Which one has a quantum energy and a standard function? And why? An isolated free particle or a…

A: We have to find which has quantized energy and standard wave function a particle on a nano wire or 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: 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: The output voltage of an AC generator is given by Av - (140 V)sin(70rt). The generator is connected…

A: Given: Output Voltage,∆V=140Vsin70πtResistance,R=23Ω To characterize a sinusoidal source of…