A tungsten light bulb filament may operate at 2900 K. What is its Fahrenheit temperature? What is this on the Celsius scale?
Q: In throttling process, (a) the enthalpy remains constant (c) Gibbs' free energy remains constant (b)…
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Q: A copper sphere has surface area 3.142 x 102 m² and its emissivity is 0.0187. Find the energy lost…
A: To find-Energy lost by sphere dQdt=?Given-A=3.142×10-2 m2e=0.0187σ=5.67×10-8 W/m2 0K4T=100+273=373…
Q: Find the change in magnetic flux bod associated with the coil in 25 sec. Given: Induced e.m.f. = 2 ×…
A: To find-Change in magnetic flux (dϕ)=?Given-Time (dt)=25 secInduced emf (e)=2×10-3 V
Q: 9) A spring has a constant of 875 N/m. What hanging mass will cause this spring to stretch 4.5 m?
A: Let's Consider a vertical spring of spring constant 'k' On which we hang a mass 'm'It will stretch a…
Q: Research about nanotechnology and cite at least 10 examples of how it is being used including the…
A: Given Research about nanotechnology and cite at least 10 examples of how it is being used including…
Q: Q1: Calculate the force necessary to accelerate a 900-kg rocket vertically down at the rate of 30…
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Q: Ex/9: : In an experiment to measure the charge on electron, the electrons travelling at a speed of…
A: To find-Magnetic induction (B)=?Given-Speed of electrons (v)=1.825×107 m/sElectric field (E)=3.2×104…
Q: Describe how an electrical impulse of the heart is recorded when it moves toward a positive…
A: Case :1 If it is observed that a wave of depolarization travels towards the positive terminal of the…
Q: The peak wavelength of radiation emitted by a black body at a temperature of 2000 K is 1.45 μm. If…
A: A blackbody is an ideal object that is capable of absorbing radiations of all frequencies that fall…
Q: Cable AB passes over the small ideal pulley C without a change in its tension. What length of cable…
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Q: By how much does a 65.0 climber stretch her 0.800 rope when she hangs 35.0 m below a rock…
A: Given that,Young's Modulus of nylon : Y= 1.35×109 PaLength of nylon rope : L0= 35.0 mDiameter of the…
Q: A solenoid has a ferromagnetic core, n = 1000 turns per meter, and /= 5.0 A. If B inside the…
A: Given that,Current in the Solenoid, I=5.0 ANumber of turns per unit length is 1000 turns/mMagnetic…
Q: A space telescope in orbit around the Earth discovers a new planet, which is observed to move around…
A: The distance of the planet from the sun can be measured using the parallax method. For distant…
Q: Ex. 57: The threshold wavelength for photonmission from silver is 3800 Å. Calculate the maximum…
A: Given-λ0=3800 A0=3.8×10-7 mλ=2600 A0=2.6×10-7 mc=3×108 m/sh=6.63×10-34 Js1 eV=1.6×10-19 J
Q: Ex 48 At what temperature will helium molecules have the same R.M.S. velocity as that of hydrogen at…
A: To find-Temperature of helium (THe)=?Given-CHe=CHTH=273 KMHe=4MH=2
Q: Two sphere made of same material have radii in the ratio 2: 1. If both the spheres are at same…
A: To find-Ratio of heat radiated=?Given-Ratio of radii r1r2=21Temperature of both bodies is same,Ratio…
Q: Predict the time for Mars to orbit around the Sun if the orbital distance of Mars is 1.52 times of…
A: Given Data : Orbital distance of Mars is 1.52 times of Earth's orbital distance that is aM = 1.52ae…
Q: Ex. 38 The copper wires of radii r₁ and 2 (11>r₂) are subjected to same tension and are plucked.…
A: Solution: The velocity of the transverse wave of a wire is given by the following relation:…
Q: three point charges, Q1 = 56 µC located at point P1 (-4,6,9), Q2 = 45 μC located at point P2…
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Q: 52 A heat engine converts 1/6th of input at into work. When temperature of sink is uced by 62 K the…
A: To find the temperature of the source in above heat engine
Q: Ex. 13: Calculate the number of molecules in one liter of gas at N.T.P., if mass of each molecules…
A: To find-No. of molecules (n)=?Given-Volume of a gas=1 lit=VTemperature of gas T=273 KMass of each…
Q: Ex. 9: The horizontal telegraph wire 100 m long, oriented along magnetic east west falls freely…
A: To find-Induced emf (e)=?Given-Length of wire (l)=100 mVelocity (V)=20 cm/s=20×10-2 m/s
Q: Ex. 2: Find the maximum kinetic energy of electrons injected from a certain material if materials…
A: To find-Maximum K.E.=?Given-Photoelectric work function (W0)=2.3 eV…
Q: The figure on the right shows a slotted ring (radius r, slot width is negligible), which is loaded…
A: Given The figure below shows a slotted ring (radius r, slot width is negligible), which is loaded by…
Q: Consider the toy represented in the image. This toy is made by attaching a ball of mass m to a…
A: Visualize the problem:
Q: Ex. 9 The horizontal telegraph wire 100 m long, oriented along magnetic east west falls freely under…
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Q: An A.C. voltage of 230 V, 50 Hz is applied across a series combination of two Henry inductance and a…
A: Source voltage Vo = 230 V Source frequency f = 50 Hz Inductance L = 2 H
Q: We wish to send a satellite from earth, which is 1.50x10 m from the center of the sun, to the…
A: (a) The length of semi major axis of an ellipse The distance between earth and center of sun is…
Q: B) Calculate the reflection coefficient of the cavity reflectors for semiconductor laser with 500μm…
A: Given,L=500μmα=820/mgth=3000/m
Q: The magnitude of the magnetic field 50 cm from a long, thin, straight wire is 8.0μT. What is the…
A: Given that,Magnetic field : B = 8 ×10-6 (T)Radius : r = 0.5 (m)Here we need to find the current…
Q: Given a star has a absolute magnitude of 2.5 and an apparent magnitude of 10.0. With this data…
A: The apparent magnitude of a star is how bright the star looks when observed from Earth. The absolute…
Q: Explain the sol-gel method and explain the factors affecting it.
A: Here we have tried to explain sol- gel method.
Q: The magnetic flux associated with a coil changes from zero to 6 x 102 Wb in 0.6 sec. Find the…
A: To find-Average induced emf (e)=?Given-ϕ1=0ϕ2=6×10-2 Wbt=0.6 sec
Q: The capacitor of 50 µF is connected across 100 V, 50 Hz supply. Calculate 541 (1) reactance, (2)…
A: To find-(1) Reactance (2) Current Given-Capacity os capacitor (C)=50 μFVoltage applied (E)=100…
Q: Calculate the value of the "solar constant" on Jupiter.
A: The amount of solar electromagnetic radiation available per unit area at a distance of 1AU is called…
Q: The figure gives the acceleration of a 6.0 kg particle as an applied force moves it from rest along…
A: Given, Acceleration vs position graph
Q: Why are emission nebulae red?
A: Emission nebulae are formed in regions of star formation. The new stars ionize the interstellar…
Q: Q. 52: A heat engine converts 1/6th of input heat into work. When temperature of sink is reduced by…
A: Temperature of source (T1)=?Given-dW=external work donedQ=heat supplied to system
Q: Ex/14: The metal rod 1 m long rotates about its one end in a plane at right angles to a horizontal…
A: To find-Induced emf (e)=?Given-length of rod (l)=1 mFrequency (n)=100 rpsMagnetic induction…
Q: 1. In a piston cylinder system, the gas an initial pressure of 100 kPa and expands from 1.5 m³ to…
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Q: Calculate the current in the circuit for the values in the circuit: Epsilon=9V, Rint-2.74 Ohms,…
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Q: A thin nonconducting rod with a uniform distribution of positive charge Qis bent into a circle of…
A: Hi! Thank you for the question, As per the honor code, we are allowed to answer three sub-parts at a…
Q: You purchase a rectangular piece of metal that has dimensions 4.6 mm x 17.0 mm x 33.5 mm and mass…
A: To find density of gold and we're we cheated or not
Q: B) Calculate the reflection coefficient of the cavity reflectors for semiconductor laser with 500μm…
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Q: Ex. 74 Calculate the energy radiated in one had of minute by a black body of surface area 400 cm²…
A: To find-Energy radiated (Q)=?Given-Time (t)=1 min=60 secSurface area (A)=400 cm2=400×10-4…
Q: Use the accompanying figure to write each vector listed as a linear combination of u and v. Vectors…
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Q: Electrical power is transmitted to our homes by overhead wires strung between poles. A typical…
A: Here we estimate the height of an electrical transmission line. For linear charge density, we use…
Q: Current Attempt in Progress An air-filled capacitor is charged, and then a dielectric Linserted. As…
A: Solution: When an air-filled capacitor is charged by connecting a battery of potential V, equal and…
Q: (13) Information system is PCM using 8levels quantization, if the signal is given as V() = 8 Cos 8t…
A: Solution:-Sampling is the reduction of continuous time signal to discrete time signal . Analog…
Q: 21.26 Faraday's law characterizes the voltage drop across an inductor as VL = L i where V₁ = voltage…
A: The given problem can be solved by plotting a graph between the current values at the given time…
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