A sample of rubidium gas of volume 1 x 10-8 cm3 is cooled until it forms a Bose-Einstein condensate. At a temperature of 250 nK, half of the rubidium atoms are in the condensate. (a) Calculate the number of rubidium atoms in the sample.
Q: A person at rest inhales 0.50 L of air with each breathat a pressure of 1.00 atm and a temperature o...
A: A gas in which collisions between atoms or molecules are perfectly elastic and no intermolecular att...
Q: Plane mirror a is perpendicular to plane mirror b. In plain mirror a, a light is incident at 32° wit...
A: Concept used: Laws of reflection are used. Basic trigonometry is used.
Q: If we treat the mass of Earth as 1, and the radius of Earth as 1, the escape velocity of a planet wi...
A: Escape velocity is the velocity required by any object to escape or go out of a planets gravitationa...
Q: A large rock that weighs 164.0 N is suspended from the lower end of a thin wire that is 3.00 m long....
A: Given:- The weight of the rock = 164.0 N Length of the wire =3.00 m Density of the rock ...
Q: How astronomers determine the distance of a galaxy? Explain.
A: Given: To explain the how astronomers find the distance of the galaxy is given as,
Q: 950 kg cylindrical buoy floats vertically in seawater. The diameter of the buoy is 0.900 m. Calculat...
A: Weight of an object , W=mg equation 1where m=80 kg,g=9.8 m/s2then Wm=80 kg9.8 m/s2=784 NCro...
Q: Two sinusoidal waves in a string are defined by the wave functions with x and y in cm (so k is in ra...
A: Given Therefore phase of y1 is And phase of y2 is These angles are in radian.
Q: Pendulum experiment
A: (4) Introduction: Simple Harmonic Motion or SHM is defined as a motion in which the restoring force ...
Q: A student is sitting on a frictionless rotating stool with her arms outstretched as she holds equal ...
A: Assumptions:Moment of inertia of the student about the axis of rotation is: IMMoment of inertia of t...
Q: Design a cyclotron that will allow a helium nucleus to travel around a 50m-radius ring. Specify the ...
A:
Q: The coefficient of friction between the tires of a car and the road is 0.25. What is the maximum saf...
A: Maximum safe speed of the car can be calculated as,
Q: 8. A 2lb ball bearing is pushed along a smooth horizontal track : r=1- cos(0) by a force F in the y-...
A: Let's take x=r cosθ and y=r sinθ.
Q: A large reflecting telescope has an object
A: Given: Radius of curvature R=11.2m Focal length of eyepiece is fe=2.81m
Q: Explain the converging and diverging actions of lenses with the help of refraction of light through ...
A: Hey there, since you have asked multiple questions we have answered the first one for you. P...
Q: Can you solve this problem?
A: Given, Work function ϕ=3.68eV wavelength λ= 0.3×10-6m Let the Vs is the stopping potential. Accordin...
Q: Calculate the missing orders in a double slit Fraunhoffer diffraction pattern when the width of each...
A: Given: Distance between the slits is a=0.03×10-5cm=0.03×10-7m. Width of each slit b=0.06×10-5m.
Q: Advanced Physics Question
A: Concept used: Refraction takes place. Snell's law is used.
Q: The potential function in only charged space; V (x, y, z) = - 9 V in the region x <-9V (x, y, z) ...
A: We know E(x , y , z)=∂V∂xi+∂V∂yj +∂V∂zkSince potential do not change in y and z directions.Hence ∂V...
Q: Starting from rest at t = 0, a wheel undergoes a constant acceleration from t = 0 to t = 10 s. When ...
A: Given at t=0 angular velocity ωo=0 And up to t=10s let's assume angular acceleration is α. At t=3.0s...
Q: a mango of 3 g ia at a certain hight above the ground. the mango has a potential energy of 7J. suppo...
A: Given m=3 g= 0.003 kg g=9.8 m/s^2 PE=mgh=7 J h=7/(9.8*0.003) = 238.095238 m u= initial velocity = 0 ...
Q: Jim purchased a fuel-efficient hybrid car that gets 50 miles per gallon. a. If the fuel tank in Jim'...
A: Hi there! Since there are multiple questions posted and it is not mentioned what is to be answered, ...
Q: The spheres are given the same electric charge qobj = -85 nC and they come to anequilibrium position...
A: Detailed solution is given below:
Q: Write your complete solutions and answer. Hope you consider this, thank you!! It's all about electro...
A: 1. Since the charge B is attracting towards charge A so Charge B is positive because charge A is neg...
Q: It has been observed that the potential function; V (x, y, z) = - 1 V in the region x <-10V (x, y...
A: Given: The potential function is: Vx,y,z=-1 V x<-10Vx,y,z=1016x+-1 -10<x<...
Q: (b) A grating having 5000 lines per cm is used under normal incidence of light. What will happen to ...
A: If 90% of the grating is covered then the Number of Slits will decrease and as the It dcreases the ...
Q: O Calculate the missing orders in a double slit Fraunhoffer diffraction pattern when the width of ea...
A: Given, Slit width,a=0.06×10-5cmdistance between the slits,b=0.03×10-5cm We have the expression to ...
Q: A light of λ = 632.6 nm emanating from a He-Ne laser (kept in vacuum) is shone on a double-slit devi...
A: Given:λ=632.6 nmn=1.33m=3d=.0100 mm
Q: Drawing Electric Fields Follow the rules of electric fields and draw what the electric fields looks...
A: Introduction: Electric field lines always point away from a positive charge and towards a negative p...
Q: A spaceship from another galaxy passes over the solar system directly above a radial line from the s...
A: The relativistic velocity addition formula between frames S'spaceship and Searth having relative vel...
Q: Please help with 6a and 6b. I don’t understand what they mean by which way was it shaked. Thank you
A: The rope system when there is no pulse can be drawn as below,
Q: A long straight wire in air carries a current of 5 A. What is the magnetic field intensity H at a ra...
A: b. Given, I = 5A distance=5m Magnetic field, B=μ0I2πr Magnetic Field intensity, H=Bμ0
Q: Find the electric field everywhere of an infinite uniform line charge with total charge Q.
A: Given: To find the electric field of an infinite uniform line charge with the total charge as,
Q: Electron plasma waves are propagated in a uniform plasma with KTe=100 eV, n=10^16 m^(-3), and B=0. I...
A: The frequency and wavelength are related by λ=vf where λ is the wavelength f is the frequency v=2Km
Q: Since the potential of a perfect conducting sphere with a radius of 2.7 cm in empty space is 10 V, c...
A: Given V=10V, r=2.7cm=0.027m d=16.3cm=0.163m
Q: What is the particle’s instantaneous velocity in the y-direction, vy at t=0.250s? What is vy at t= 0...
A: There is a data is given we need to find the instantaneous velocity at t=0.450s, so, we need to fi...
Q: Advanced Physics Question
A: Given information: The graph of rate of photosynthesis as the function of the pressure of oxygen Vs ...
Q: What is EBD?
A: Electronic Brakeforce Distribution or EBD for short works on the principle that not every wheel on ...
Q: 7. Explain how the Hubble law allows you to estimate the distances to galaxies.
A: According to Hubble's law, the velocity of galaxy with respect to earth is directly proportional to ...
Q: A moving electron collides with a stationary electron and an electron-positron pair comes into being...
A: To prove, K.Emin=6 mc2
Q: The radius Rh of a black hole is the radius of a mathematical sphere, called the event horizon, that...
A: please see the next step for solution
Q: Advanced Physics Question
A: We know for a simple pendulum , Time period ,T= 2πLg T=kL .............where k=2πg The shape wil...
Q: (b) Calculate the missing orders in a double slit Fraunhoffer diffraction pattern when the width of ...
A: Given e=0.06x10-5m d=0.03x10-5m Therefore e=2d.
Q: A string of length 8 m, which has a total mass of 5 g, is stretched alongthe x-axis and put under a ...
A: Given is maximum displacement of the oscillator is 3 cm it completes 60 cycles every second t = 0...
Q: When do we talk about acceleration and velocity in accelerated uniform rectilinear motion? Give an e...
A:
Q: Please answer D and E, Thanks.
A: Given; m=42 kgr=3m∆ω =0·4 rev/s∆t=10 sThe total acceleration is given by;a=ar + at|a→|=(ar)2+(at)2ar...
Q: Please help: a kayaker paddles with a power output of 72.0W to maintain a steady speed of 3.8 m/s ca...
A:
Q: Three pucks, A, B, and C, are shown sliding across ice at the noted speeds. Air and ice friction for...
A: (A) Rank the forces needed to keep them moving, from greatest to least. According to the Newton'...
Q: As shown in the figure, the triangle loop carrying current I is located in the x-y plane. In the reg...
A: Given: Current =I Magnetic field B=ay B0 Base B=0.8m Height H=0.6m
Q: Two identical rods each of length L and charge Q are perpendicular to each other and separated by a ...
A: Given : Length of the rods = L Charge on the rods = Q Distance = D (is the distance f...
Q: An insulating sphere with radius R contains a total non-uniform charge (e. Hydrogen atom) Q such tha...
A: From Gauss law,∮E.dA=qencε0E.A=qencε0Total charge Q=∫0RρdVQ=∫0R3βr3/2dVQ=∫0R3βr3/24πr2drQ=3β(4π)∫0Rr...
Step by step
Solved in 2 steps
