1.) A plastic ring lays in the x-y plane center at the origin with radius R has a linear charge density hosin(0/2). The loop spins around the z axis with angular velocity o. What are the scalar and vector potentials at the center of the ring?

Q: Figure (a) shows two wires, each carrying a current. Wire 1 consists of a circular arc of radius R =…

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Q: You have two identical containers, each filled with 1 mol of an ideal gas at identical temperature -…

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Q: So Determine the distance between the electron and proton in an atom if the potential energy ?U of…

A: Given, Potential energy of electron proton in an atom, U = 15.4 eV 1 eV = 1.6×10-19 C

Q: The linear absorption coefficient for 1-MeV gamma rays in lead is 78 m1. Find the thickness of lead…

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Q: Gimen dafe Maxe = 280 kg. Veleidy = 40 mls Find Kinetic energy

A: Given data:  Mass (m) = 280 kg Velocity (v) = 40 m/s Required: The kinetic energy (KE)

Q: You are given a number of 19 Q resistors, each capable of dissipating only 2.1 W without being…

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Q: Question 5 A unit of temperature has a freezing point of 150 degrees and boiling point of 0. What is…

A: Given that,  The lower fixed point, LFP = 150°C The upper fixed point, UFP = 0°C Using the relation,…

Q: S5. Two small uniform smooth spheres have masses m and 3m, and speeds 7u and 2u in…

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Q: A young man throws a stone up at 30 m/s What is the maximum height the stone reaches? What is the…

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Q: Your answer needs to have 2 significant figures, including the negative sign in you is already given…

A: GivenTA=20°C=293 KFrom PV diagramP=1 atmVD=1 m3VB=4 m3

Q: the same launcher is used to fire the ball at a 30˚ angle from ground level, how far (in meters)…

A: Value of speed is missing in this question

Q: QUESTION 7 What voltage must be applied to an X-ray tube for it to emit X-rays with a minimum…

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Q: When is pressure and velocity negligible in the Bernoulli's equation?

A: When is pressure and velocity negligible in the Bernoulli's equation?

Q: The resistances in Figure (a) and Figure (b) are all 7.8 Q, and the batteries are ideal 37 V…

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Q: What is the relationship between the frequency f of a harmonic oscillating wave and its period T ?

A: The time period is defined as the time taken by the particle to make one oscillation. Frequency is…

Q: A positron collides head on with an electron and both are annihilated. Each particle had a kinetic…

A: Given data: Collision of electron and positron. Kinetic energy = 2.00 MeV

Q: 6. You pushed a box from the bottom of the inclined plane to the top. The rise height of the…

A: Work done to get the box to the top of the incline  W = mg x h vertical   W = 42*9.81*8 = 3296.16 J…

Q: General Directions: Solve what are asked for in the following problems. Show complete solutions by…

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Q: A signal flare has been fired with an initial speed of 150 m/s. If it was fired with a 55 degree…

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Q: A gas in a cylinder expands from a volume of 0.100 m3 to 0.320 m3. Heat flows into the gas just…

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Q: A man pushing a mop across a floor causes it to undergo two displacements. The first has a magnitude…

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Q: A snowball off a roof that slopes downward at an angle of 40°. The edge of the roof is 14.0 m above…

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Q: Calculate the velocity of a particle with charge qp=1.6×10^−19 that moves at right angles to the…

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Q: Calculate the side length of a parallel plate capacitor with an air gap of 5.5 mm if its capacitance…

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Q: Describe your approach to determining the distance between the electron and proton in an atom if the…

A: The information given in the question is, 1. Potential energy of electron, U=14 eV 2. Two…

Q: Write down an expression for the force on charge q moving perpendicular to the direction of the…

A: Given : Charge = q Magnetic field = B Velocity = v Angle (θ) = 90° (because charge is moving…

Q: Determine the velocity of car K.E=550 J Mass=25 kg

A: Given data:  Kinetic energy (KE) = 550 J Mass (m) = 25 kg Required: Velocity (v)

Q: Universal gas constant= 8.314 J/mol.K 2 moles of mono-atomic ideal gas initially held at state A…

A: only three subparts will be answered per question please post a remaining questions in new post.

Q: A load consumes 50kW and 20 KVAR. What is the power factor at the load terminals

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Q: What is the highest order bright fringe that will be observed when green light of wavelength 550 nm…

A: Given   wavelength(λ )= 550 nm     Slit spacing (d)  = 11 µm    In young's double slit experiment…

Q: Using the equation ??2 =???2 +2??(?−??) where a car is moving at an initial speed of 22 m/s slams on…

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Q: What is a condition of equilibrium? How do we know we've reached a state of equilibrium?

A: A solid body submitted to three forces whose lines of action are not horizontal is in equilibrium if…

Q: A man pushing a mop across a floor causes it to undergo two displacements. The first has a magnitude…

A: first displacement (d1→) = 150 cm @120o with positive x axis second displacement = d2→resultant…

Q: A 8.00-kg block of ice is released from rest at the top of a 1.60-m long frictionless ramp, slides…

A: Given:mass of block, m = 8.0 kgLength of frictionless ramp, L = 1.6 mspeed of block at the bottom, v…

Q: Determine the distance between the electron and proton in an atom if the potential energy U of the…

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Q: Tension is maintained in a string as in the figure below. The observed wave speed is v = 159 m/s…

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Q: A particle started to move from the origin along a curve with velocity given by the function v(T) =…

A: 1. The acceleration at T=π2 is 1  2. The position of the particle at time 't' is…

Q: Plane-polarized light with an intensity of 1,200 watts/m2 is incident on a polarizer at an angle of…

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Q: What is the moment of inertia of a solid sphere of mass M and radius R rotating about an axis that…

A: Moment of inertia of sphere about an axis:

Q: Two positive charges, each 4.18 µC, and a negative charge, -6.36 µC, are fixed at the vertices of an…

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Q: Determine the distance between the electron and proton in an atom if the potential energy UU of the…

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Q: If you run half a lap around a circle of radius 50 m the magnitude of your displacement is

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Q: Consider two pendulums with lengths /1 and /2. Express the ratio of their lengths /1/l2 in terms of…

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Q: For a simple harmonic oscillator with x = A sin ot write down an expression for the velocity. Please…

A: Given Expression for position of oscillator x = A sin ωt    Velocity ;  V = dx/dt      = d ( A sin…

Q: In the arrangement shown in the figure below, an object of mass m = 4.0 kg hangs from a cord around…

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Q: The position of a 4.85-kg object moving with simple harmonic motion is given by x = (3.75…

A: Given, mass of an object, m = 4.85 kg position of an object, x = 3.75 m cos5.83 πt

Q: S5. Two small uniform smooth spheres have masses m and 3m, and speeds 7u and 2u in…

A: Write the given values with the suitable variables. m1=mm2=3mu1=7uu2=-2uv1=0 Here, v1 is the…

Q: A stationary square coil of area 0.1 m2 is brought into the magnetic field 4.7 T with its plane…

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Q: How much work must be done by an external force to bring a 3.00 microcoulumb charge from infinity to…

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Q: A meterstick is suspended by a string through at its center, as shown. You and your friend are…

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Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.