A white dwarf star has volume Vand contains N electrons so that the density of electrons is n = Taking the temperature of the star to be 0 K, the average energy per electron in the star is 3A (3n2n)2/3, where m is the mass of the electron. The electronic pressure in the star is: 10m
Q: (i) We consider a one-dimensional potential barrier problem. In order for the particle to tunnel thr...
A: (i) The transmission probability of the electron in case of the potential barrier is given by : P=e...
Q: Q.2 (a) Figure Q.2a shows a Permanent Magnet Moving Coil (PMMC). Reading scale Light Indicator a Mir...
A: Disclaimer: The above problem is an example of Multiple-part question, the part 2(a) and (b) are bas...
Q: What are the dilemmas that come with the advancement of particle and quantum physics
A: According to quantum mechanics, the electrons are spread out in space as if they were a cloud due to...
Q: A batter hits the baseball A with an initial velocity of vo = 94 ft/sec directly toward fielder B at...
A: Given, Initial velocity, v0=94ft/s Initial position, y0=4ft Altitude, y=7.2ft Time is taken by the b...
Q: Explain the meaning and use of periodic boundary conditions to describe the properties of finite sol...
A: Periodic Boundary Conditions: As per the name, it is the boundary condition to solve the problems. I...
Q: A rocket is moving to the right at 1/2 the speed of light relative to the earth. A light bulb in the...
A:
Q: If the two ends of a rope in equilibrium are pulled with forces of equal magnitude and opposite dire...
A: Tension is defined in physics as the pulling force transferred axially by a string, cable, chain, or...
Q: The speed of sound in a solid medium is 15 times greater than that in air. If the frequency of a wav...
A: Given that,The speed of sound in solid medium is 15 times greater than that in air.Frequency of wave...
Q: Can an object be in equilibrium when only one force acts on it? Explain.
A: Equilibrium can be defined as the absence of further change in a system. Additional changes can only...
Q: Light is said to carry its energy in quanta or photons, according to the photon model. When we gaze ...
A: Introduction: The photon model of light is perhaps the oddest of all of the theories of light. An ea...
Q: Is it required for a laser material to have at least three energy levels? If so, why or why not?|
A: LASER- Light Amplification by Stimulated Emission of Radiation.
Q: ections, why isn't the
A: The expression for the force as, F=ma Here, F is the force, m is the object mass, and a is the acc...
Q: 5. Water moves through a constricted pipe in steady, ideal P2 flow. At the lower point shown in figu...
A: Solution. (a). From the continuity equation of fluid, A1v1=A2v2v1=A2A1v2Here, v is the velocities a...
Q: 50. The diagram below shows part of the carbon cycle. Sunlight Atmosphere. Dead organisms and waste ...
A: Question 50: Carbon Cycle: The carbon cycle describes the process by which carbon atoms are constant...
Q: A hockey puck with mass 0.160 kg is at rest at the origin 1x = 02 on the horizontal, frictionless su...
A:
Q: A vehicle with a mass of 2.40 * 103 kg is driving at a speed of 25.0 m/s. When the driver uses the b...
A: Given: Mass of the vehicle, m=2.4×103 kg Initial velocity, u=25 m/s Final velocity, v=0 m/s Distance...
Q: 0.12 A R1 R3 50 20 V R2 10 0 R4 12 0
A:
Q: Concentric spherical shells of radius a and b, with a < b, carry charge Q and -Q respectively, each ...
A: Given: Two concentric spherical shells of radius a and b with charge Q and -Q.
Q: Electrical capacity of spherical conductor of radius 9 km is А. 1 ЦF В. 2 UF С. 1 F D. 9 F
A: radius is r = 9 km r = 9000 m
Q: 13. Un avión de bombardeo que viaja en línea recta con una rapidez constante de 450 km/h deja caer u...
A: Since more than one question is asked, a solution for the first one is provided here. please upload ...
Q: 2. A particle is moving with a velocity that varies with time given by v(t) = a – Bt², where a = 5.0...
A:
Q: A particle of charge = 7pC is located on the -axis at the point = 5.1 cm. A second particle of charg...
A:
Q: 1. Moving electric charges produces a) Electric field d) None b) Magnetic field c) Both a & b
A: Here, more than three questions are provided in the question. As per the honor code, a solution for ...
Q: (c) A typical CMBR photon observed today has a wavelength of 1 mm. What was the wavelength of this p...
A: Introduction: Last time CMBR photon emitted was 380000 years after Big bang and at this time the tem...
Q: You have an ellipse serving plate in your hands. To another observer, how far would you have to walk...
A:
Q: Q1/ Find the transmission and reflection coefficient as function (d) factor .What is the value of (d...
A:
Q: Two identical objects (A and B) collide as shown in the figure. The coefficient of restitution is 0....
A: Given: Coefficient of restitution,e=0.85Velocity of A in x-direction,vAx=600m/sVelocity of B in x-di...
Q: One sometimes sees rows of evenly spaced radio antenna towers. A student remarked that these act lik...
A: Introduction: Various optical components have periodic structures in optics; the most common are dif...
Q: What predictions does the so-called Dulong–Petit law make about the heat capacity of a solid and its...
A: Dulong-Petit proposed the classical model to predict the heat capacity of solid. We know from the ki...
Q: the figure below, the emf equals 5.99 V and has negligible internal resistance. The capacitance equa...
A:
Q: A 60-kg archer stands at rest on frictionless ice and fires a 0.030-kg arrow horizontally at 85 m/s ...
A: Given that,Mass of the man : M = 60 (kg)Mass of arrow : m = 0.03 (kg)Speed of arrow : v = 85 (m/sec)...
Q: 7) At room temperature, do metals have a noticeably higher heat capacity than insulators because of ...
A: The problem is based upon the concept if heat capacity. Heat capacity or thermal capacity is a physi...
Q: Formula: Mass/Volume O Elasticity O Density O Presure O Specific Gravity
A:
Q: 1. An airplane accelerates down a runway at 3.20 m/s2 for 32.8 s until is finally lifts off the grou...
A: Kinematics.
Q: Here are several solutions curves in the phase plane. Which of these could be solutions of a harmoni...
A: Phase-space trajectory of harmonic oscillator :- Let, a particle of mass m is attached to a massless...
Q: A metal of mass m metal =0.19 kg is heated to a temperature 184 C.Once the metal reaches to this tem...
A: Mass of metal mmetal = 0.19 kg The initial temperature of metal Tm = 184o C = 184 + 273 = 457 K Mass...
Q: Which of the following physical quantity is conserved in Kirchoff's point-rule ? A. energy B. charge...
A: According to kirchoffs point rule the charge coming out of the point must be equals to charge comin...
Q: 4 wells located at point A,B.C.D, respectively. ABCD form a square. When water is pumped out from A ...
A: From question 4 wells are situated at the vertices of the square "ABCD" And when water is pumped ou...
Q: A certain object with a weight of 50N was found by a Structural Engineer in the area of his desired ...
A: The weight of an object is the total downwards force that gravitational force exerts on an object an...
Q: Velocity of electromagnetic wave is A. C = \µ,E, 新 B. C = µ,E, D. C = V E, Ho C. C = · H.
A: All waves satisfy the second order partial derivative wave equation given by ∂2u∂t2=c2∂2u∂x2c=speed...
Q: How do you convert Schrodinger's equation from location to momentum?
A: The problem is based o the concept of quantum mechanics. In this problem we have to convert the prob...
Q: One sometimes sees rows of evenly spaced radio antenna towers. A student remarked that these act lik...
A: A diffraction grating is an instrument that splits light into its components based on the different ...
Q: Consider the circuit 9.4 2 12.5 2 ww 14.6 ww ww 24 V 2.1 2 ww 1.9 2 Find the equivalent resistance. ...
A: Given that:
Q: 4. Two blocks of mass 3.50 kg and 8.00 kg are connected by a massless string that passes over a fric...
A: The problem is based upon mass pulley system. The solution will be
Q: What is the speed of sound in air at a temperature of 212°F?
A: Given that,Temperature : T = 212°FHere we need to find the speed of the sound at temperature T :As w...
Q: If the two ends of a rope in equilibrium are pulled with forces of equal magnitude and opposite dire...
A:
Q: Velocity of electromagnetic wave is B. C = µ,E, 차 A. C = \µ,E, D. C = V €, Ho C. C = v *
A: From Maxwell's equation, the wave equation for light is given by ∇2E=μ0ε0∂2E∂t2 where E is the ele...
Q: SEND THE ANSWER IN 10 MINUTES PLEASE Suppose that you plot the mass (y-axis, in g) versus volume (x...
A: Solution: The slope of the mass versus volume curve gives the density of the material. From the give...
Step by step
Solved in 2 steps with 2 images
