Why doesn’t the total energy of a collection of fermions approach zero as the temperature approaches zero?

Q: 4. An engine that worked for 46 s consumed E = 23,500 J and lifted a in 75 kg body from the ground t...

A: Work done for lifting an object from the ground is equal to change in the gravitational potential en...

Q: What are Eigen values and Eigen function? Give examples.

A: In quantum mechanics , a wavefunction contains all the information about the state of a particle or ...

Q: Thank for helping!

A: Given: The length of the hanging chain is 15 foot. The density of the chain is 3 poundsfoot. Introdu...

Q: What is the right ascension in hours, minutes, and seconds of a star at RA 239.768°?

A:

Q: What is the thinnest film of a coating with n = 1.42 on glass (n = 1.52) for which destructive inter...

A: The wavelength of the red component of the light in thin film medium is λ=λ0n Here, n is the index o...

Q: A person sits at the top of a large, smooth hemispherical dome of radius R. Starting from rest, the ...

A: Given: A person sits at the top of a large, smooth hemispherical dome of radius R. Starting from res...

Q: 3- A bomb of mass M with initial velocity vo and suddenly explodes to two fragments of mass M/3 and ...

A: Given: The mass of the bomb is M.  The initial velocity of the bomb is v0. The gain in the energy eq...

Q: on the particle, as a function of the radius r of the sphere. The scale of the vertical axis is set ...

A: From gauss law  flux through a closed surface = charge enclosed/εo

Q: Find the volume of the solid obtained by rotating the region bounded by y = 4x, x = 1, and y = 0, ab...

A: Given: x=1, y=0, y=4x2 Introduction: One of the easier methods for getting the cross-sectional area ...

Q: The differential equation for the motion of a unit mass on a certain coil spring under the action of...

A: Given: Differential equation              d2xdt2 + 4 dxdt + 24 x = 30 cos(ωt)  To determine the reso...

Q: Why is it difficult to accurately state how long a specific comet is?

A:   it has been believing that the comets are the remnants of the materials formed the solar system 4....

Q: Can someone please help me show all the work for these problems please?

A: (8) sum of moments about point A M→=∑r→i×F→i=3.0mj^×8 kN-i^+0.5 mi^×6 kN-j^+4.0mj^+2.0mi^×5 kN35i^-4...

Q: Please answer all parts and show work with explanations

A: “Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for y...

Q: Determine the angle 0 between the 350-lb force and the line OC.

A: Given :

Q: Electrons in an x-ray tube accelerate through a potential difference of 10.0 kV before striking a ta...

A: Given: Potential difference = 10 k V  

Q: Please help and answer with FBD and complete solution. Thank you

A: Given: The masses A and B of the system are 55 kg and 135 kg respectively. The coefficient of static...

Q: The resultant wave due to the interference of two sinusoidal transverse waves expressed as, y' = 2ym...

A:

Q: Please answer all parts of question 1. I appreciate it!

A: Hey, since there is multiple subpart question posted, we will answer first three questions. If you w...

Q: Show that the Madelung constant for a one-dimensional lattice of alternating positive and negative i...

A: The Madelung constant (M) is used to find the electrostatic potential of a single ion in a crystal b...

Q: 3. A long straight vertical segment of wire traverses a magnetic field of magnitude B-2.0T in the di...

A: Given information: The length of the wire that lies in the magnetic field, L=0.06 m The current thro...

Q: The radii of atomic nuclei are of the order of 5.0 * 10-15 m. (a) Estimate the minimum uncertainty i...

A: Part-a Given: Radii of atomic nuclei ∆x = 5×10-15 m.  

Q: In another universe where the speed of light is only 100 m/s, an airplane that is 40 m long at rest ...

A:

Q: In circuit B, the four identical light bulbs, each with a resistance of 20 0, are connected in paral...

A: Given four bulb each with resistance R=20Ω  Connected source battery E=12V a) Since the four resista...

Q: orlineTesting?testEntryid=30724783 O yisd.net bookmarks Welcome to Renais. C clever.com Nearpod O ST...

A: The value is given by,

Q: FE 1

A:

Q: A moving muon lives longer, from the observer’s point of view, than a muon at rest. Is there a frame...

A: The lifetime of the muon measured in a frame where it is at rest is called the proper life time. Lif...

Q: A point source emits monochromatic electromagnetic waves into air uniformly in all directions. You m...

A: Given: Slope of the line is 75 N·m/C.

Q: I was wrong on this question...what did i do wrong

A: The angle between the two vectors is given by Where Dot sign (.) = Dot product,                 are...

Q: The 4P state in potassium is split by its spin-orbit interaction into the 4P3/2 (λ= 766.41 nm) and 4...

A: Given: Wavelength of 4P3/2 λ1 = 766.41 nm. Wavelength of 4P1/2 λ2 = 769.90 nm.

Q: A transformer connected to a 120 V (rms) ac line is to supply 13,000 V (rms) for a neon sign. To red...

A: N2N1=V2V1=13,000 V120 V=108

Q: The life average of stable muon is 2.2*10^-6 s , while the life average of moving muon in Cosmic ray...

A: Using time-dilation in Special Relativity, Time in moving frame is given by   Where t = time in the...

Q: A human expedition lands on an exoplanet. One of the explorers is able to jump a maximum distance of...

A: Given: The maximum distance jumped by the explorer: h = 18.0 m The initial speed of the explorer: u ...

Q: Determine the magnitude and location of the resultant of the force system acting on the beam shown b...

A: Given: Need to find the magnitude and location of the Resultant force acting at the reference point ...

Q: The acceleration of a vehicle takes the form du/dx = 3.6 – 0.06u, where u is the vehicle speed in ft...

A: Please note in the question acceleration is given as du/dx. It means x has been used as time variabl...

Q: Dancers experience large forces associatedwith the jumps they make. For example, when a dancer lands...

A: The acceleration (deceleration) is a=v-uta=0 m/s--4.0 m/s0.20 sa=20 m/s2   the net force is, Fnet=FN...

Q: 2) A radio antenna broadcasts a 1.0 MHz radio wave with 30 kW of power. Assume that the radiation is...

A:

Q: What is bandwidth in an optical instrument? How does it relate to resolution and noise in an optical...

A: Optical instruments are the instruments that use light as a medium to transfer data. These instrumen...

Q: The cost of energy delivered to residences by electrical transmission varies from $0.070/kWh to $0.2...

A: (a) The energy consumed is, E=PtE=75 W2 weeks168 hours1 weekE=25200 Wh1 kWh1000 WhE=25.2 kWh thus, t...

Q: A large boulder is ejected vertically upward from a volcano withan initial speed of 40.0 m/s. Ignore...

A:

Q: Compute the Fermi speed for (a) Ca (EF = 4.69 eV) and (b) Be (EF = 14.3 eV).

A: Ef=12mev2fvf=2Efme Fermi speed for Ca. vf=24.69 eV1.60×10-19 J1 eV9.1×10-31 kg=1.28×106 m/s

Q: 7. The height of a helicopter above the ground is given by h =20.0 t-5.0 ť where h is in meters and ...

A: Hey there, since you have asked multiple questions. We have answered the first one for you. Please r...

Q: Answer part D and E 1) A sound wave of wavelength 20 cm is split into two equal parts that later rec...

A: Given d) How does the observed sound intensity compare between parts (a), (b), and (c)? Rank situati...