ix Evaluate the commutator [, px], and [e“, py].

Q: A boy swings a ball on a string around his head in a circle.  Starting out, the radius is ro and the...

A: In this case, a ball on a string has been swinging in a circular path with some initial radius and v...

Q: 1 2 3

A:

Q: (a) Write the expression of system matrix for a thick concave lens of thickness t and refractive ind...

A: Refraction is the phenomenon of bending of a light ray when experiencing a change in the medium in i...

Q: chemotherapy and other Drug-8 therapies depending on your treatment type and length and your individ...

A: Chemotherapy and other drug 8 dosages are to be studied thoroughly before implementing to the patien...

Q: Cylinder C (mass 10.0 kg and radius 0.070 m) rolls without slipping on hill H as shown in Fig. 1.121...

A:

Q: If Ashley walks 6 m east, then turns and walks 25 m at an angle of 57º NE, what is the total displac...

A: In this case, a girl walks some distance in the east direction and then she walks some distance in t...

Q: Figure Q1 shows a "rocking lever" mechanism in which steady rotation of the wheel produces an oscill...

A:

Q: Adam can jog with an average acceleration of 2.3 m/s^2. If he accelerates from 1,200 m to 2,840 m at...

A: Given : a=2.3m/s2, x1=1200m, x2=2840m, u=16m/s The distance covered by adam is :  s=x2-x1=1640m Usin...

Q: The 300 m diameter Arecibo radio telescope is observing the Andromeda galaxy at a wavelength of 14 c...

A: In this case, the Arecibo radio telescope is observing the Andromeda galaxy at some wavelength. In o...

Q: A cylindrical glass tube is partially filled with water to create an air column with a length of 0.2...

A: Given A cylindrical glass tube length (L) = 0.20 m

Q: The equation of motion for a small particle of mass 'm' at position 'x' is mä+ yx – mg = 0. Assuming...

A: The velocity v of the particle is the time derivative of its position x. Hence, x˙=dxdt=v Also, x¨=d...

Q: i. A field occupies space, contains energy, and its presence precludes a classical "true vacuum". Is...

A: The universe is in its ground state where there is a vacuum. A field, according to quantum field the...

Q: You have two balls. They will collide elastically in 2D. Choose the following: The masses of the ba...

A:  The equations for Conservation of Momentum and Conservation of Energy. given, M1= 50 kg M2 = 100 kg...

Q: | = 15 A B Metal rod B Ов Wire S 10 cm 30 cm Figure 3 Figure 3 shows a wire carries a current I = 15...

A: a). let's consider a Gaussian cylinder around the wire of radius r. From ampere's law,  ∮Bdl=μ0iB×2π...

Q: Two successive harmonics on a string fixed at both ends are 66 Hz and 88 Hz. What is the fundamental...

A: Given  Harmonics frequency one end fn        = 66 Hz Harmonics frequency other end fn+1 = 88 Hz

Q: A 250 kg cart is pushed slowly up an incline. How much work does the pushing force do in moving the ...

A: Given, mass = m = 250 kg height = h = 1.2 m distance along incline = d = 8 m frictional force = f = ...

Q: A 2.0 kg block is pressed up against a spring (k = 44 N/m) that is attached to a wall as shown. The ...

A: Given that,Mass of block (m) = 2 (kg)  Spring constant (k) = 44 (N/m)The potential energy stored in ...

Q: 9) What? This problem again? Not exactly. A block with mass m 1 = 3.00 kg sits on a horizontal table...

A: Given, m1 = 3.0 kg m2 = 2.0 kg let mp denotes the mass of pulley, r denotes the radius of the pulley...

Q: The specific heat of one mole of a two- dimensional solids at high temperatures is: O a. 3R O b. 3R/...

A: To answer: The specific heat of one mole of a two-dimensional solids at high temperatures.

Q: For M-B speed distribution f(v), the average speed V is given by:

A: The molecules in a gas travel at different speeds. Let there be N number of molecules, the speed of ...

Q: Where Is the Final Image? Two thin converging lenses of focal lengths f, - 10.0 cm and f, - 18.0 cm ...

A: In the system of two lenses, the first lens forms an image of the object placed to its left. This im...

Q: The energy levels in CO2 laser (13. system are described in mode Bending Vibrational O Wagging O All...

A: The energy levels in CO2 laser system are described in vibrational mode.  

Q: Find the turning points of the function f(x)= x²e¬**. Is the above function odd or even or neither?

A:

Q: Light of wavelength 488 nm is produced by an argon laser which is used in the photoelectric effect. ...

A: The concept behind this question is the dual nature of radiation and matter. Wavelength of light pro...

Q: Q1/ The collar weighs 3 kg and is connected to a light spring. The collar moves up the rod at 1.5 2....

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

Q: A 1.50 μC charged 1.00 g cork ball is suspended vertically on a 0.900 m long light string in the pre...

A: Given that, The charge of the ball q=1.5 μC=1.5×10-6  C The mass of the ball m=1 g=10-3 kg The lengt...

Q: A system of non-interacting Fermi gas with internal energy 'U' at a temperature 'T' is OP = U÷2V OP ...

A:

Q: The ladder of a fire truck rotates about the z-axis with an angular velocity of w;=0.18 rad/s, which...

A: Angular velocity is the velocity of a body or an object when it is circular motion. It is related to...

Q: a- Explain qualitatively why the Hall constant Ru is inversely proportional to the electron concentr...

A: a- The Hall constant RH is given by         RH = 1ne Where n is electron concentration              ...

Q: An artificial satellite revolves about the earth at height 'H' above the surface, the orbital period...

A: As we know,GMmr2=mv2rWhere r is the radius of orbit r=(R+h)R = radius of earth H= height of satellit...

Q: Q. No. 5: Write down the procedure used to investigate the attenuation of gamma radiations with incr...

A: Procedure  to investigate the attenuation of gamma radiations can be given as  Measurements to be ta...

Q: A wire segment 2m long carrien -2.7Amps of current in the presence of an external magnetie feld 0.9T...

A: Given, length of wire is 2m. let it be L. current i = 2.7 A magnetic field B = 0.9 T angle θ = 18o

Q: Determine the kinematic viscosity of a liquid having a dynamic viscosity of 1.2 Ns/m2 and a specific...

A: Viscosity is a parameter of a fluid that defines the resistance of a fluid against flow. Viscosity o...

Q: 7 (a) What is least count of voltmeter? (b) In a voltmeter there are 20 divisions between the ‘0’ ma...

A: Part-a The least count of voltmeter is defined as the between two terminals minimum potential differ...

Q: A hot water heater in a residential home runs for an average of 2.5 hours per day with a heat energy...

A: Solution-Given thatAverage running hour of water heater per day (t)=2.5 hours=2.5×60×60 seconds=9000...

Q: Homework (5): A flat, geo-shaped electromagnetic wave propagating in the air, find the densities of ...

A: The work done is formulated as dW=F→.dl→      =dqE→+v→×B→. dl→      =dqE→+v→×B→.v→dtdl→=v→ dtF=dqE→+...

Q: In a rectangular waveguide for which a 1.5 cm, b 0.8 cm,o 0, u Ho, a 8 = 4eor 3xy () H, = 2 sin cos ...

A: The General equation for Hx is, Hx=H∘sinmπxacosnπybsin(ωt-βz) And the given equation is For Hx is, H...

Q: Which of the following is true if the charge moves perpendicular to the direction of the uniform mag...

A:

Q: An electromagnetic wave is incident on an absorbent area of 2m^2, and heats up to a temperature cons...

A:

Q: A bar magnet of magnetic moment 1.5JT¬1 lies aligned with the direction of a uniform magnetic field ...

A: We have been known the concept behind this magnetism and matter. We have to find the work required b...

Q: A person throws a baseball straight up in the air with an initial velocity of 23 m/s. What maximum h...

A: Given : u=23m/s The final velocity of the baseball at maximum height is v=0. The acceleration of the...

Q: Calculate the binding energy per nucleon of a neutral atom of phosphorous P. The mass of the phospho...

A: Binding Energy is defined as the minimum energy required to dissemble the nucleus of an atom into it...

Q: Review Moving electrons pass through a double slit and an interference pattern (similar to that form...

A: For destructive interference for a double slit, the path length must be a half integral multiple of ...

Q: A 5.00 A current runs through a 12 gauge copper wire (diameter 2.05 mm) and through a light bulb. Co...

A: Here we will simply use current formula Then charge quantisation formula Then current density formul...

Q: Q3 / In order to determine voice traffic on a line, we collected the following data during a period ...

A:

Q: Q. No. 4: Write down the procedure used to find the dead time of Geiger Muller Tube.

A: To explain about the procedures to find dead time of GM tube is given below.

Q: Find the fraction of decrease of the kinetic energy of a neutron of mass m, in head-on collision wit...

A: In this case, a neutron is collide with an atomic nucleus which is initially at rest. In order to ca...

Q: The integrating factor of dy, 2xy + 1+x2 4x is 1+x2 4x2 -4x2 O 1+ x2 2x

A: Solution:-Given  thatdydx+2xy1+x2=4x1+x2Now, Leibnitz linear differential equation is given bydydx+P...

Q: LA uniform rope of lihear mass density A is suspended from the ceiling length lo of the rope is in a...

A: Total Length of the rope hanging=l0 Linear mass density=λspring constant=ktotal mass of the rope han...

Q: The layer in the figure is between z=+d and z=-d in the z direction. The layer extends to infinity i...

A: The layer has a thickness of 2d and lies along the z axis. A uniform charge density p is present wit...