Federation Empire

Q: What’s the center of mass for each situation?

A: Solution:   The determination of center of mass is given below:

Q: A hemispherical plate with diameter 12 ft is submerged vertically 1 ft below the surface of the wate...

A: consider an elemental strip of thickness dy of length at distance y from the bottom

Q: At 200 K, the particles of an unknown gas have a root mean square velocity equal to that of Ar atoms...

A: The root mean square velocity ( Vrms) can be determined by the formula Vrms= 3RTM ( where T= tempera...

Q: A person with a near point of 85 cm, but excellent distant vision, normally wears corrective glasses...

A: Given information: A person is having a near the point of 85 cm, The power of the lenses, P=+2.25 D ...

Q: An electromagnetic wave with frequency 65.0 Hz travels in an insulating magnetic material that has d...

A: (a)Speed of propagation of the electromagnetic wave in a material medium,v=cμ0ε0                    ...

Q: A particle P of mass m lies on a smooth horizontal table attached to a long string and inextensible ...

A: Let m denote the mass of the particle at point P, km denote the mass of the particle at point Q, a d...

Q: Optical fibers are constructed with a cylindrical core surrounded by a sheath of cladding material. ...

A: Part (a) Given: The refractive index of germanium is n1=1.465. The refractive index of silica is n2...

Q: Positronium is an atom composed of an electron and a positron (mass m = me, charge q = +e). Calculat...

A: The reduced mass is given by μ=m1m2m1+m2 Since both masses are equal, μ=me22me=me2 The energy of a s...

Q: A particle begins to move on top of a hemispherical surface. Where will it leave the surface?

A:  

Q: A steel ball with mass m is suspended from the ceiling at the bottom end of a light, 15.0-m-long rop...

A:

Q: While conducting a photoelectric-effect experiment with light of a certain frequency, you find that ...

A: Given: The value of reverse potential potential is Vo=1.25 V. Part(a): The expression for maximum ...

Q: I need helping solving this. I think the formula is KQ1Q2Q3/r, but for some reason i keep getting th...

A: The electric potential energy of three charged particles is given by Where k = Coulomb's constant =...

Q: Moseley found experimentally that the equation describing the frequency of the La spectral line was ...

A: Moseley's law gives a relationship between the frequency of the emitted x-rays and the atomic number...

Q: A rocket starts from rest and moves upward from thesurface of the earth. For the first 10.0 s of its...

A: Given: The function for vertical acceleration for first 10 sec ay = (12.8 m/s3)2t.  

Q: Determine the angle a under which a projectile must be launched from point o so that it reaches the ...

A: The shortest distance will have the shortest time. The shortest distance between the point O and the...

Q: You have entered a graduate program in particle physics and are learning about the use of symmetry. ...

A: Given: Nine of the spin- 3/2 baryons are four ∆ particles, each with mass 1232 MeV/c2 , strangeness ...

Q: Protons with momentum 4.8 x 10-21 kg. m/s are magnetically steered clockwise in a circular path 2.2 ...

A: The maximum force exerted on moving charge is,Fmax=qvB                                  (i)         ...

Q: The light beam from a search light may have an electric-field magnitude of 1000 V/m, corresponding t...

A: The searchlight beam have an electric field of 1000 V/m which correspond to potential difference of ...

Q: 3) Use the picture below to answer the following questions. 40 V 4Ω 12 342 4 + 10 V 7Ω 5 2 30 V+ 362...

A: (a) Given: The circuit is as follows. Introduction: Kirchoff's current law states that the total cu...

Q: Using the attached graphs depicting a wave, find the: a. amplitude b. frequency c. speed

A: The amplitude of a wave is defined as the maximum amount of vertical displacement of a particle with...

Q: How many joules of energy does a 100 watt light bulb use per hour? How fast would a 70 kg person hav...

A: The power  is defined as te energy per unit time.P=Et                                               ...

Q: A proton and an antiproton annihilate, producing two photons. Find the energy, frequency, and wavele...

A: Given data: The initial kinetic energy of each of the particle is E∘=620 MeV. Part (a)  Apply the ...

Q: The 21-cm line transition for atomic hydrogen results from a spin-fl ip transition for the electron i...

A: Given: The kinetic energy of the atom is K.E=5.9×10-6 eV. The state of hydrogen atom is n=1. The f...

Q: The overall angular magnification of a microscope is M = -178. The eyepiece has focal length 15.0 mm...

A: Angular magnification of a microscope is given as, Here, mo and me denotes the magnification of the...

Q: Two identical tuning forks are struck, one a fraction of a second after the other. The sounds produc...

A: Rewrite the first expression given for the single sound ft=Csinωt+Csinωt+α                    1=Csin...

Q: Suppose you have an observable N with three eigenvalues 4, 8, and -1, with orthonormal eigenvectors ...

A: Expectation value of the given observable Ω=<ψΩψ>=c1*<1+c2*<2+c3*<3Ωc11>+c22>+c...

Q: Calculate the ideal frequency to detect a surface defect using a Rayleigh wave.

A: Given: Speed is vs=3200m/sec Poisson's ratio is ν=0.29 distance d=20mm=20*10-3m  

Q: Blocks A and B of Fig. have 20- and 50-kg masses, respectively. The static coefficients of friction ...

A: Given data: The mass of the block A is mA=20 kg. The mass of the block B is mB=50 kg. The coefficie...

Q: Fission reactions occur only for nuclei with large nucleon numbers, while exoergic fusion reactions ...

A: The ratio of the neutron and proton for stable nuclides or light nuclides is: NZ=1 Here, N represent...

Q: A sound wave source (a speaker) creates a sound wave in the air by vibrating back and forth. How doe...

A: We usually think of sound waves travel in air, but sound can travel through any gas, through liquids...

Q: Write down the kinetic energy and potential energy for a pendulum within the small angle approximati...

A: The figure of the pendulum is: where, x=lsinϕy=lcosϕ where l is the length of the pendulum.  

Q: Consider a fi nite square-well potential well of width 3.00 x 10-15 m that contains a particle of ma...

A: The energy levels for a particle confined to an infinite well is En=n2h28mL2 The mass of the particl...

Q: An electric hair dryer is rated at 1500 W (the average power) at 120 V (the rms voltage). Calculate ...

A: The average power is 1500 W, and the rms voltage is 120 V, (a) Hence the resistance of the electric ...

Q: Starting from the front door of a ranch house, you walk 60.0 mdue east to a windmill, turn around, a...

A: Given: The distance covered by the person to walk to windmill d1 = 60 m. The distance covered by th...

Q: *PLEASE ANSWER QUESTIONS #7* Make a sketch of the trajectory of a ball after it has been thrown. Dr...

A: When the ball is thrown, its horizontal velocity is constant throughout the motion, but vertical vel...

Q: You use a slingshot to launch a potato horizontally from the edge of a cliff with speed v0. The acce...

A: Part (a) Given: The initial horizontal velocity of the potato is ux=v0. The vertical acceleration o...

Q: 1) If mass of the object is 23.7 Kg and its volume is 67 cm³ What is the density?

A: Here,  Mass = 23.7 kg Volume = 67 cm3 = 67 × 10-6 m3  

Q: Mud particles are released from the edge of a wheel of radius b moving on the ground. If the forward...

A: Given: The radius of the wheel is b. The forward wheel speed is v0. Introduction: A projectile is an...

Q: The bonds between hydrogen and boron are predicted to be

A: Here , The bonds between the hydrogen and boron is covalent bond.

Q: Starting from a pillar, you run 200 m east (the +x-direction) at an average speed of 5.0 m>s and ...

A:

Q: Advanced Physics Calculate the specific volume anomaly using a

A: Given: The salinity is 25. The temperature is 40°C. The pressure is 10 decibars. The anomaly is  giv...