Time (h) Decays,s 20,000 0.5 14,800 1.0 11,000 1.5 8130 2.0 6020 2.5 4460 3.0 3300 4.0 1810 5.0 1000 6.0 550 7.0 300

Q: (a) What is the heat capacity Cv of a three-dimensional cubic lattice of atoms at room temperature? ...

A: (a) Introduction: Heat capacity or thermal capacity is a physical property of matter, defined as the...

Q: You are a bully.  You pin a 48 kg dweeb to a wall so that his feet aren't touching the ground.  Your...

A: friction between dweeb and wall is zero so the friction coefficient is also zero. for equilibrium si...

Q: Consider a two-dimensional electron gas in a magnetic field strong enough so that all particles can ...

A: Due to the orbital motion, the magnetization at absolute zero will be written as, Here N is the num...

Q: The size of the hydrogen atom grows in proportion to n2, where n is the quantum state. For an atom i...

A: Given: The state of the atom is n=10. The formula to calculate the energy of the electron in one d...

Q: Two Capacitors are connected in parallel. C1=100 μF and C2=200 μF. What total amount of energy will ...

A: The effective capacitance of the combination, C=C1+C2C=100 μF+200 μFC=300 μF

Q: A small block has constantacceleration as it slides downa frictionless incline. The block isreleased...

A:

Q: 1) A jetline touches down at 275 km/hr on a 1.2-km-long runway. What’s theminimum safe value for the...

A: 1) Given: Initial velocity of jetline is given by, vi=275kmhr*1000m1km*1 hr60 min*1min60 sec vi=76.3...

Q: The Cosmo Clock 21 Ferris wheel in Yokohama, Japan, has adiameter of 100 m. Its name comes from its ...

A: The apparent weight at the lowest point is Q=ω-Fcf This can be expressed, Q=ω+mω2R=ω1+ω2Rg Here, T=6...

Q: 9. A 50-cm-tall dog stands 3 m from a plane mirror and looks at its image. What is the image positio...

A: Given: The height of the object h = 50 cm. The distance of the object from the mirror u = 3 m.

Q: An electron confined in a box of width 0.360nm makes a transition from the n = 1 to n = 4 level by a...

A: hcλ=E4-E1=h28mL2n2f-n2iλ=8mL2chn2f-n2i

Q: A calcium-40 ion has a positive charge that is double the charge of a proton, and a mass of 6.64 ✕ 1...

A:

Q: A parallel beam of light in air makes an angle of 47.5° with the surface of a glass plate having a r...

A: The above figure shows the incident and reflection angle of light when it travels through a two or m...

Q: A juggler throws a bowling pin straight up with an initial speed of 8.20 m>s. How much time elaps...

A:

Q: Josh has just raised a 2.5 kg bucket of water using a well’s winch when he accidentally lets go of t...

A: let tension of the string be T.we have .am=mg-TT*r/I=wwhere w be angular acceleration rate.w=a/r.so ...

Q: 500 mm Situation 1. A hand truck is used to move two kegs, each of mass 40 kg. Neglecting the mass o...

A:

Q: Calculate the reaction energy Q (in MeV) for the reaction e- + p S n + ne. Is this reaction endoergi...

A: Given: The rest mass of the proton mp = 938.28 MeV/c2 The rest mass of an electron me = 0.511 MeV/c...

Q: Imagine another universe in which the value of Planck’s con- stant is 0.0663 J  s, but in which the ...

A: Part-a Given: The value of the Planck's constant in the new universe h = 0.0663 Js. The mass of th...

Q: A sample of radioactive nuclei has N0 nuclei at time t = 0. The half-life of the decay is T1/2. In t...

A: Activity is, R=-∆N∆t

Q: An airplane’s compass indicates that it is headed due north, and its airspeed indicator shows that i...

A:

Q: 1. A pendulum consist of a particle with mass M attached to a massless piece of string of length l w...

A: Let us consider the center as shown in the figure. The coordinate of the bob of mass m is x1,z1. Now...

Q: Please answers parts A and B. Please show all work and highlight your answer. Thank you in advanced!

A:

Q: (a) Find the tension in each cable supporting the 588-N cat burglar. (Assume the angle θ of the incl...

A: (a) Tension in the vertical cable is same as the gravitational force on the burglar Tv=588 N

Q: A person exposed to fast neutrons receives a radiation dose of 300 rem on part of his hand, affectin...

A: Given information: The amount of radiation dose from fast neutrons (equivalent dose) = 300 rem The w...

Q: 1) Consider the following charge configurations below. Here q, = 5 µC, q2 = 5 µC, and q3 = 10 µC. Th...

A:

Q: What are the main purpose and objective of the electron to charge  mass ratio experient?

A: Given information: We have to explain the main purpose and objectives of the electron charge to mass...

Q: Please answer 7, 8, and 9.  The first page is provided for context.

A: (7) Given: |n>=An(a+)|0> Introduction: The quantum harmonic oscillator is the quantum-mechanic...

Q: ww A A 6-kg block moves in a smooth vertical slot as shown. A spring having an undeformed length of ...

A: Given: The mass of the block is m=6 kg. The un-deformed length of spring is xd=0.50 m. The distance...

Q: Sand moves without slipping at 6.0 m/sm/s down a conveyer that is tilted at 15∘∘. The sand enters a ...

A: The equation of motion for projectile motion is given by Where x = Represents horizontal motion, y ...

Q: Determine the number of photons emitted per second by a laser that emits red light of wavelength 650...

A: P=Et   =nhcλtn= Pλthc

Q: In the 1887 experiment by Michelson and Morley, the length of each arm was 11 m. The experimental li...

A: The number of fringes is n=0.005. the difference of light paths is λn=Δd Where, Δd=cΔt'-Δt Thus, λn=...

Q: Tarzan, in one tree, sights Jane in another tree. He grabs the end of a vine with length 20 m that m...

A: Given: The length of the vine L = 20 m. The angle of vine with vertical is 45o. The angle of vine w...

Q: An oboe player tunes the orchestra with the “Concert A” note, which has a frequency of 440 Hz. If sh...

A:

Q: a) Consider the forces between the charge O and the dipole. If the dipole is free to rotate: Would t...

A: a.  Considering that charge Q is positive, the negative part of the dipole would be attracted and th...

Q: The equation for the electrical conductivity in terms of electron velocity is dv + = -eE. Using this...

A: Momentum is given by, p=mv Using the above equation, dpdt=-eE-pτ Steady state solution is, pt=pωe-iω...

Q: Using the result of part (a) in Problem 65, take into accountradiation from the leaf to calculate ho...

A: Let T denote the temperature, e denote the emissivity, P denote the total power, A denote the area o...

Q: In the series circuit of Fig. the resistance is 255 Ω, the inductance is 45.0 mH, the capacitance is...

A: Part-a Given: Resistance R = 255 Ω. Inductance L = 45.0 mH. Capacitance C = 0.400 µF. Voltage ampli...

Q: The package of a fluorescent bulb for a table lamp lists the light output in termsof lumens, lm. Whi...

A: The lumen  symbol: lm is the SI derived unit of luminous flux, a measure of the total quantity of vi...

Q: What does the Doppler Effect in Sound prove or concludes?

A: The change in frequency due to the motion of the source or receiver is called the Doppler effect. Th...

Q: Estimate the relative probabilities of various velocities. Pick a small interval ∆vx = 0.002vx rms. ...

A: Given: Small interval dvx=0.002vxrms . It is known that the probability g(vx )dvx that the x-compo...

Q: A plastic bowl is floating in a sink full of water. Which of the following describes the microscopic...

A: Plastic bowl is floating due to the push by the surface of water on surface of the bowl. Thus the fo...

Q: In which of the following situations would you expect the magnitude of the force the seat of your ca...

A: Normal force during the motion along an incline at a constant speed, N=mgcosθ The gravitational forc...

Q: An egg is thrown nearly vertically upward from a point nearthe cornice of a tall building. The egg j...

A:

Q: Do gases usually have a constant specific weight? What increases in altitude is necessary in the str...

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question s...

Q: Use Kirchhoff’s rules to calculate the current in each branch. Assume that each resistor has a resis...

A: Given: Each resistor has a resistance of 100 Ω. The voltages are V1= 9 V and V2= 12 V. The circuit i...

Q: This problem deals with the splitting of rotational energy levels of diatomic molecules. If one atom...

A: Given: Explain that the fractional change ∆ffin the observed frequency of a photon emitted in a tran...

Q: PLEASE ANSWER #14.  The first page is provided for context.

A: The operators can be expressed as,