Apply the contraction thrice on the 7th rank tensor and what will be the rank of a tensor after thrice contraction?
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A: Given: The length of the rod is 0.04 cm at 30°C. The coefficient of linear expansion is 2...
Q: Parts needed: D-F. A student stands at the edge of a cliff and throws a stone horizontally over the ...
A: v0=15.0 m.s-1h=36.0 m
Q: What are the mass percents of C and F in Teflon
A: Formula of Teflon C2F4 First we must find the mollar mass::Mass of 2 moll of C = 2 x 12 g = 24 gMass...
Q: Write down wave fuction for free particle.
A: Wave function for free particle: -h28π2md2dx2+V^(x)ψ(x)=Eψ(x) -h28π2md2dx2ψ(x)=Eψ(x) ψ(x)x"=-8π2mEh...
Q: (Book:introduction to statistical physics by A.J pointon)
A: The energy of a free particle at temperature T is given by ...
Q: A uniform solid cylinder of mass M=0.5 kg and radius R = 3 cm is attac massless spring of spring con...
A: PEspring=KEtrans+KErotcylinder12kx2=12Mv2+12ICMω2kx2=MRω2+MR22ω2=32MR22πT2T2=6MR2π2kx2T=6MkRπx
Q: in which ensembles ,open and closed assemblies are used?How can you connect lagrange undetermined mu...
A: Introduction: The statistical ensemble is a probability distribution for the system. Different macro...
Q: Represent each of the following combinations of units in the correct SI form: (a) Mg/ms, (b) N/mm, (...
A: This is a question from Units and Measurements. To solve this problem, We need to know the standard ...
Q: Mathematical method for Physics
A: A seventh rank tensor means it has 7 indices. Take for example Aijklmno . Contraction is the oper...
Q: Bar AB is rotating about A with an angular velocity of wAB = 3 rad/s counterclockwise. At this insta...
A: Given the angular velocity be defined as ωAB = 3 rad.s-1.
Q: Two binary stars orbit each other as shown below. If the period of both stars is 6.7 x 105s, r1= 9....
A: Let r1 and r2 denote the distances of the mass m1 and m2 from the center of mass, v1 denotes the orb...
Q: The disk starts at ω0 = 2 rad/s when θ = 0, and is given an angular acceleration a = (0.3θ) rad/s2, ...
A: The initial angular speed of the disk, ω0 is 2 rad/s. The initial angular acceleration of the disk, ...
Q: A red ball is thrown down with an initial speed of 1.1 m/s from a height of 28 meters above the grou...
A: Part (1) Given: The initial speed of red ball is ur=1.1 m/s. The height from which red ball is thro...
Q: Although nucleus is positively charged, how will you explain β-rays coming out of it?
A:
Q: You decide to use your body as a Carnot heat engine. The operating gas is in a tube with one end in ...
A: Part (a) Given: The temperature of hot side is TH=37.0∘C. The temperature of cold side is TC=30.0∘C...
Q: Two identical spaceships with masses 3 tons are tied together by a cable of length 1 km and negligib...
A: Given : Mass m = 3 tons Time T = 2min
Q: em shown in the fig T
A: Here T =mg T = M4g
Q: How Einstein condensation occours?(Statistical physics)
A: The Bose-Einstein distribution tells that the statistical behavior of integer spin particles (bosons...
Q: What is mutual induction and self induction. What is the unit of inductance..... With daigrms and ex...
A: Introduction: Inductance is the tendency of an electrical conductor to oppose a change in the electr...
Q: 2. Two blocks initially at rest, each having a mass of 20 kg, are connected by a string as shown in ...
A: MA = MB =20 kgμ = 0.28 g =10 M/s2 N =Mg cos 3.5o f = μN =μMgcos35o -T +Mg sin 35 - μMg cos35 = ma ...
Q: What is the frequency (Hz), wavenumber (cm21), and energy (kJ/mol) of light with a wavelength of (a)...
A: Part-a Given: The wavelength of the light λ = 100 nm.
Q: A Carnot heat engine uses a hot reservoir consisting of a large amount of boiling water and a cold r...
A: Given: The time for which engine works is t=5 min. The mass of ice is m=0.0400 kg. The formula to ...
Q: Planet X orbits the star Omega with a "year" that is 492 days long. Planet Y circles Omega at four ...
A: Given: Planet X orbits the star Omega with a "year" that is 492 days long. Planet Y circles Omega ...
Q: I nee dhelp solving the circled blanks
A: Given: The mass of the wrecking ball is 500 kg. The speed of the wrecking ball when it reaches the b...
Q: An electric field E = (10³ N/C)ï causes the 5.0 g ball to hang at a 20° angle as shown in the figure...
A:
Q: A planet with a mass of 3.0 x 1023kg orbits 6.0 x 1010m from a star with a period of 2.2 x 1011secon...
A: The mass of the planet is, m=3×1023 kg. The distance between the planet and the star is, r=6×1010 m....
Q: In a slab of dielectric material for which P = 21.6z × 10-°âz C/m² and V = 320z² V, analyze the mate...
A: Polarization volume charge density is, ρpv=-∇·P=-∇·21.6z×10-9 a^z C/m2=-21.6×10-9 C/m3=-21.6 nC/m3
Q: Q4. Consider a finite sheet 0< x<I, 0< y<1 on the z=0 plane has a charge density g= (sinx +10) nC/m²...
A: Given : Charge density ρs = (sinx+10) nC/m2 0≤x≤1 , 0≤y≤1 , z =0
Q: if x^3+y^3=1, find d^2y/dx^3
A: given,x3+y3=1
Q: A 75 kg person cannot go out for a long time due to Covid-19 restrictions. That's why he rides a bik...
A: 80%Emetabolic=Eheat 0.80Pt=mwaterLv mwater=0.80PtLv
Q: momentum - projectile motion
A: Given R=30cm=0.30m First moving block has mass M Second block at rest has mass m=M/2 H=90cm=0.90m
Q: Average efficiency of wind energy is usually less than solar energy, but more than bio energy. Selec...
A: Wind energy is defined as the use of wind to provide mechanical power through wind turbines to turn ...
Q: Complete the table m) 55 in. 1- 2 b) 23. 16 ft
A: We have a) D=127inches b)A=35.4 cm c)B= 8ft d)c= 2cma) AB=CD132=47=> 136x => 127
Q: 4) You are planning to design a rocket to go to mars. You have access to two types of fuel with the ...
A: Given, We are planning to design a rocket and we have to decide type of fuel
Q: A glass rectangular prism has the surface area of 0.120 m^2. The coefficient of linear expansion for...
A: The initial surface area of the prism, A0 is 0.120 m2. The change in the temperature, ∆T is 40.0 K...
Q: separated distance between the two slits is 0.030 mm. The second-order bright fringe (m = 2) is 4.5 ...
A: For a Double slit experiment, the phenomenon that is taking place is interference a)Here the wavelen...
Q: Advanced Physics Question
A: Given data: The initial speed of the red ball is ur=1.1 m/s. The height of the red ball is hr=28 m....
Q: Using the sound level versus frequency plot with equal-loudness curves shown below, estimate the sou...
A: Introduction: Ultrasound is sound that travels through soft tissue and fluids, but it bounces back, ...
Q: The electric fields from three coherent sources are described by E1=E0 sin ωt, E2 =E0sin(ωt+Φ), and ...
A: Given: The electric fields from three coherent sources, E1=E0sinωtE2=E0sinωt+ϕE3=E0sinωt+2ϕ The resu...
Q: When two pumps are both operating, the sound pressure level at adistance of 10 m from the pumps is 1...
A: decibel level is given byP=10logiioiio=10(P/10) where io=10-12 J/m2s
Q: A small sphere with positive charge q and mass m is releasedfrom rest in a uniform electric field E ...
A: Given:- Fnet = qE- mga = Fnet m = qEm-g Where, u = 0 s = d a = qEm-g
Q: A satellite in a geosynchronous orbit stays in position over a particular point on the earth so the ...
A: Let T be defined as the time period of the satellite in the orbit. The period of the satellite be de...
Q: Consider a silicon pn junction diode at 300 K. The reverse saturation current is 10-14 ampere. Deter...
A: PN junction diode A PN junction diode is a circuit element that is fabricated by joining an n-type s...
Q: Bowling balls can be made from a variety of substances and are required to have a circumference of r...
A: Given: The circumference of bawling balls is 27.8 m. The specific gravity of the shell is...
Q: A bike initially at rest at a traffic light and when the light turns green it accelerates at 30 m s-...
A: Part-a Given: The acceleration of the bike a = 30 m/s2. The time taken by the bike t = 4 s.
Q: A planet in our solar system has a circular orbit with 433 day year. Determine the planets distance...
A: given, Time period T =433day year =37411200 sec mass of sun M=2x1030kg
Q: ,
A: Given, f(r→)=r→·r→2 Since r→=xi^+yj^+zk^, r→·r→=xi^+yj^+zk^·xi^+yj^+zk^ using the fact that ijk ...
Q: Electromagnetism
A: The potential and charge density are related by Poisson’s equation. Substitute the expression for p...
Q: A pendulum arm is 3 feet long and it swings back and forth an object is attached to the other end in...
A: The frequency of oscillation of the pendulum be defined as, f1=12πgL Where, g be defined as the acce...
Q: (Book:Introduction to statistical physics by A.J pointon)
A: Fermi function is given by, fE=11+expE-EFkT Fermi function gives the probability of occupancy of a p...
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