When do cosmologists think the universe began?
Q: What is the de Brogue wavelength of a proton whose kinetic energy is 2.0 MeV? 10.0 MeV?
A: De-Broglie wavelength is the wavelength that is connected to an object with respect to its momentum…
Q: [Q8] For Copper, (1) sketch the unit cell and give the real space vectors locating atom positions in…
A: A unit cell is the cell made from smallest number of atoms. This brings about the symmetry of the…
Q: Q.7 a) Ring and number the junctions of component in the below circuit. R2 R1 R4 Output Q2 Input D1.…
A: Given that the circuit diagram can be given as,
Q: Resistors of 10, 15 and 5 ohms are all connected in SERIES to a 90 V source of potential difference.…
A: Given that-Resistance, R1= 10ΩResistance, R2= 15ΩResistance, R3= 5ΩWhen resistors are connected in…
Q: An infinitely long wire located along the z-axis is carrying a current I as shown in the figure. A…
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Q: An electrocardiography (ECG) monitor used in a hospital uses a single 15-F capacitor. During your…
A: Given: The available capacitors are 1 F, 4 F, 6 F, 10 F, 12 F, 20 F, and 30 F.
Q: A differential manometer is given. Calculate the pressure between A and B. Oil (s.g. 0.92) 24 in 12…
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Q: If the electric field of an electromagnetic wave is oscillating along the z-axis and the magnetic…
A: Given that-The electromagnetic wave is oscillating along the z-axisThe magnetic field is oscillating…
Q: very long (infinite) coil of radius b has m turns per unit length and carries a current a) Find the…
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Q: If Young's modulus of a material of wire is 1.2 x 10¹¹ N/m², calculate the work done is stretching…
A: We need to compute-Work done in stretching the wire (W)=?Given that-Y=1.2×1011 N/m2L=3 mA=πr2=4…
Q: The self-inductance and capacitance of an LC circuit e 0.20 mH and 5.0 pF. What is the angular…
A: Hey dear I have written the formula for angular frequency of LC circuit and solve for it . Have a…
Q: For each of the following tensors determine its type (covariant, contravariant), its range and say…
A: It is possible for you to look at this specific instance of a contravariant tensor, which has the…
Q: (a)Define laplace transform of a function f(t) and its inverse. Is inverse unique ? (b) Obtain a…
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Q: A mive of length stretched 5m of ecadius 1 mm is by load of 10N. It 2 Y = 2x10" N/m ² find work done…
A: Work done(W) per unit volume of the wire. Given, Young's modulusY=2×1011 N·m-2LoadF=10 NLength of…
Q: A box slides on a frictionless surface with a total energy of 50 J. It hits a spring and compresses…
A: Given that-The total energy with which box slides on a frictionless surface, ET= 50 JCompression in…
Q: What is the de Brogue wavelength of a proton whose kinetic energy is 2.0 MeV? 10.0 MeV?
A: Given that-E1= 2MeVE2= 10 MeVMass of proton, mp= 1.67×10-27 kgWhereas,De-broglie wavelength,…
Q: i) Contrast the processes of induced and spontaneous emission. We need to know the meaning of…
A: "As you have posed many inquiries, we will answer the first one for you. If you would want…
Q: Discuss the different types of intermolecular forces that exist between molecules. Give an example…
A: Given Data: The different types of intermolecular forces that exists between molecules. Give an…
Q: In a scientific apparatus, an electron (with a mass of 9.1 x 10-³¹ kg and an electrical charge of…
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Q: The Fourier Transform of a continuous time signal x(t) which is bandlimited with maximum frequency…
A: Fourier transform of signal is done just to relate signal which is sampled in time or space to the…
Q: he constant of a spring of a certain material is k= 0.86 kg/s^2 a mass of 36 kg hangs on it and…
A: Given: The value of the spring constant is 0.86 kg/s2. The mass is 36 kg. The…
Q: If the object below has a uniform mass distribution, a=6m,b=12m and c=24m,find the centre of gravity…
A: The center of mass or center of gravity is just a mathematical point. It is that mathematical point…
Q: . What is its angular momentum?
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Q: Suppose a speck of dust in an electrostatic precipitator has 1.0000 × 10¹2 protons in it and has a…
A: Given that-Number of protons, np= 1.000×102Net charge, Q=-5.00 nCWhere net charge, Q= neNumber of…
Q: As an illustration of action angle variables to find frequency, consider a linear harmonic…
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Q: Calculate the voltage output by the secondary winding of a transformer if the primary voltage is 350…
A: Given data: 350 V is the voltage across the primary winding. The principal winding has 355 turns in…
Q: Why are the largest volcanoes on Earth so much smaller than the largest ones on Mars?
A: Gravity pulls an object towards it. It is a central force which brings 2 bodies towards each other.…
Q: a) A small puck is positioned on the top of a spherical surface.The puck is then released and…
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Q: Explain the physical significance of the Hamiltonian under what conditions can Hamiltonian be…
A: Hamiltonian: The Hamiltonian of a system in quantum mechanics is an operator that corresponds to the…
Q: (A) Find (i) L (ii)L ¹ { d (p+3) 7/2 3p+2
A:
Q: Two lightbulbs are in series, one operating at 120 W and the other operating at 60.0 W. If the…
A: Given that-Two light bulbs are in seriesPower of 1st bulb, P1= 120 WattPower of 2nd Bulb, P2= 60…
Q: Why is the binding energy per nucleon relatively constant?
A: The nucleus of an atom is made of neutrons and protons. They are called nucleons. The mass of…
Q: At what velocity will an electron have a wavelength of 1.00 m?
A: Given that-Wavelength, λ= 1 mMass of electron, me= 9.11×10-31 kgWe know that-De-broglie wavelength,…
Q: 7. If the three quarks shown in the diagram combine to form a baryon, find the charge and spin of…
A: Disclaimer: Since you have asked multiple question, we will solve the first question for you. If you…
Q: In the figure, a metal rod is forced to move with constant velocity along two parallel metal rails,…
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Q: The magnetic field of plane electromagnetic wave is given by B=2x10-7 sin (0.5 x 10³ x +1.5x×10¹¹t)…
A: Given that-Magnetic field of Electromagnetic wave isB= 2×10-7.Sin0.5×103x+1.5×1011 t Equation…
Q: 2. Assume now that an electron is not a point but a sphere of radius R over whose surface the…
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Q: Find the nuclear radius of 197Au.
A: Atoms consist of a positive center made of protons and neutrons called the nucleus. Protons and…
Q: An electromagnetic AM-band radio wave could have a wavelength of (use Sp Reference Table)
A: Need to find the Wavelength Of Electromagnetic AM-band radio wave
Q: A body is taken below the surface of the earth at a depth of 18 km. Find the percentage decrease in…
A: To find-Percentge decrease in weight of the body=?Given that-Depth below earth surface (d)=18…
Q: At what scattering angle will incident 100 keV x- rays leave a target with an energy of 90keV?
A: Given that-Initial energy of wave, E= 100 KeVFinal energy of wave, E'= 90 KeVMass of electron, m=…
Q: An ideal neon sign transformer provides 9 250 V at 30.0 mA with an input voltage of 115 V. Calculate…
A: We know that-For an ideal transformer,The power input equals the power output,Input power of the…
Q: In a conical pendulum, mass of the bob 13 0.5gm and length of the string is 20 cm. The bob describes…
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Q: Is it reasonable to expect superconductivity in a "glass," a material with almost no crystalline…
A: introduction: Topological states have integer invariants1, 2 that are resilient to defects.…
Q: The period of a simple pendulum increases by 10% when its length is increased by 21 cm. Find the…
A: To find-(1) Original length (L1)=?(2) Period (T1)=?Given that-Original length=L1New…
Q: A beam of red light has wavelength of 700 nm. How much energy does a photon of red light have in (a)…
A: Given that-Wavelength of the beam of red light, λ= 700 nmEnergy of the photon, E=hcλ ...…
Q: An electrical potential in Cartesian form is give as: V=2x²+4y²+2z² 1. What is the charge…
A: The electric potential is, V=2x2+4y2+2z2The electric field is given by:E→=-∇→V E→=∂∂xi+∂∂yj+∂∂zk…
Q: The mass of a nucleus of rutherfordium-254 is 254.1001 u. Calculate the mass in GeV c–2.
A: In physics, the notion that energy and mass are no 2 different entities completely different from…
Q: What voltage will produce 0.4 A of current through a 4800-2 resistor? Express your answer to two…
A: Given that :Current, I= 0.4 AResistance, R= 4800 ΩFrom ohm's law: V=IR…
Q: A cube of marble having each side 5 cm long is in an electrostatics field of intensity 50358 200V/m.…
A: We have to find Energy stored in a cube (W) Given that, Length of each side of cube (l)=5 cm=5×10-2…
When do cosmologists think the universe began?
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