Consider a wave packet having the product ∆p ∆x = h at a time t = 0. What will be the width of such a wave packet after the time m(∆x2) / h?

Q: A winch attached to a cable pulls a post with a force of 1900 N. d = 2.65 m. 0.875 m is a vertical d...

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Q: please very soon

A: Consider the diagram of the Hohmann transfer described in the question as shown below:     Here, th...

Q: *PLEASE ANSWER QUESTION #2 ONLY* 1) A car is waiting at a stoplight. The car has a mass of 1200 kg. ...

A: when car is accelerating forward the friction will also act in forward direction.

Q: Find the magnetic field intensity H at every corner of a 2 m x 2 m square loop as shown in the Fig. ...

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Q: Calculate the de Broglie wavelength of a 5.5-MeV a particle emitted from an 241Am nucleus. Could thi...

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Q: orlineTesting?testEntryid=30724783 O yisd.net bookmarks Welcome to Renais. C clever.com Nearpod O ST...

A: The value is given by,

Q: You have available a 550 watts pump with 70% efficiency. Is it possible to use this pump to transfer...

A: Given :     Power of the pump(P) = 550W with 70% efficiency                  ⇒ P = 550 x 70100      ...

Q: A man stands on the roof of a 15.0-m-tall building and throwsa rock with a speed of 30.0 m/s at an a...

A: According to kinematics equation, the velocity in the y direction is given by vy2=u0y2-2gy Here, v i...

Q: When jumping straight upfrom a crouched position, an average person can reach a maximum heightof abo...

A: Given: The maximum height of the jumper to reach is hmax=60 cm. The height reached by the jumper is...

Q: (a) Express the eccentricity ε of the elliptic orbit described by a satellite about a planet in term...

A: Given: The mean distance from the sun to the earth RE = 149.6 x 106 km The eccentricity of the ellip...

Q: The angle subtended by the full Moon on Earth is ~0.5°, as seen by the naked eye. What is the eye’s ...

A: Given, the angle subtended by the full Moon on Earth is 0.5°. For so small angle we have, s=rθ where...

Q: Superman attempts to drink water through a very long vertical straw as in the figure below. With his...

A: The water at the bottom of tank is at atmospheric pressure from earth  Pa. when the superman sucks t...

Q: Show that the maximum kinetic energy of the recoil electron in Compton scattering is given by as att...

A: Given: The energy of scattered electron K=100 keV. Electron will have maximum kinetic energy when ...

Q: The Tevatron accelerator at the Fermi National Accelerator Laboratory (Fermilab) outside Chicago boo...

A: The expression for the kinetic energy is as follows: K=γ-1mc2K=mc211-v2c2-1v=1-1Kmc2+12c            ...

Q: Your 1000-m-long starship has warning lights at each end that, to you, flash simultaneously every mi...

A: Given: The length is 1000-m-long starship and  moving directly away from the planet Zerkon at 0.70c.

Q: When an object is placed at the proper distance to the left of a converging lens, the image is focus...

A: Given: Need to find the focal length of the diverging lens. The image is focused on a screen  30.0 c...

Q: Two dogs pull horizontally on ropes attached to a post; the angle between the ropes is 60.0. If Rov...

A: Let the vector form of B This can be written as, B=300cos(60°)i+Bsin(60°)j=150i+260jB=300cos60°i+Bsi...

Q: Show that ugr correctly represents the velocity of the particle both relativistically and classicall...

A: For non-relativistic case: ugr=dEdp=ddpp22m                    ∵E=p22m=2p2m=pmugr=v Therefore, in no...

Q: An object with mass m2 = 50.0[kg] is on a ledge with a coefficient of kinetic friction of 0.350. It ...

A: Given: Mass m1=90.0kg Mass m2=50.0kg Coefficient of kinetic friction is μk=0.350 Free body diagram: ...

Q: The resultant wave due to the interference of two sinusoidal transverse waves expressed as, y' = 2ym...

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Q: Consider an inclined plane with a 1 kg block on it.  The plane makes an angle of 19 degrees with the...

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Q: A square frame with side length a is placed parallel to the magnetic field B. The magnetic field is ...

A: As per guidelines, the first question has been answered. Using Lenz law, induced emf is, ε=-dϕBdt=-d...

Q: Problem 1: Two-level system. Canonical ensemble.

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Q: Consider a box of length 2L, where L = 1 m.  The bowstring is made up of two cords of natural length...

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Q: An airplane passes by overhead. The plane has a mass of 50,000 kg, is at an altitude of 10,000 meter...

A: When an airplane flies, three types of external forces act on the airplane:  Aerodynamic forces (li...

Q: A particle initially has a speed of 0.5c. At what speed does its momentum increase by (a) 1%, (b) 10...

A: The ratio of initial and final momentum is pfinalpinitinl=η=mγfinalvfinalmγinitialvinitalη=vfinalvin...

Q: Military rifles have a mechanism for reducing the recoil forces of the gun on the person firing it. ...

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Q: please very soon

A: Introduction: Seismic waves are the waves of energy caused by the sudden breaking of rock within the...

Q: The radii of atomic nuclei are of the order of 5.0 * 10-15 m. (a) Estimate the minimum uncertainty i...

A: Part-a Given: Radii of atomic nuclei ∆x = 5×10-15 m.  

Q: When you fly in an airplane at night in smooth air, you have no sensation of motion, even though the...

A: From Newton's second law of motion F→=mdv→dt

Q: During an ice skating performance, an initially motionless 79.5-kg clown throws a fake barbell away ...

A: Given information: The mass of the clown (M) = 79.5 kg The recoil speed of the clown (V) = 0.51 m/s ...

Q: Use all four quantum numbers (n ,ℓ,,mℓ,ms) to write down all possible sets of quantum numbers for th...

A: There are four types of quantum number associated with each electron of the atom these are principal...

Q: In another universe where the speed of light is only 100 m/s, an airplane that is 40 m long at rest ...

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Q: Fluorescent lights often use an inductor, called a ballast, to limit the current through the tubes. ...

A: A resistor loses energy in the form of heat when current flows through it. Heat lost is given by H=i...

Q: A brick is dropped (zero initial speed) from the roof of abuilding. The brick strikes the ground in ...

A: (a) As the brick is falling, the acceleration will be constant and equal to the gravitational consta...

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: What is the value of the Schwarzschild radius for the moon? (mmoon 7.35 x 1022 kg)

A: Rs=2GMmoonc2

Q: Refer to Fig. 16–32d. If the two charged plates were moveduntil they are half the distance shown wit...

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Q: Each string on a violin is tuned to a frequency 1 times that of its neighbor. The four equal-length ...

A: The fundamental frequency is given by, Here, f denotes the fundamental frequency, l denotes the len...

Q: 3) Two skydivers are playing catch with a ball while they are falling through the air. Ignoring air ...

A: (3) Since air resistance is neglected, both the ball and the sky diver experience the same gravitati...