Homework Entropy change calculations When 2.0 kg of water at 12.0\deg C is mixed with 3.0 kg of water at 38.0\deg C in a well- insulated container, what is the change in entropy of the system? (a) Make an estimate by using the average temperatures; (b) use the integral to calculate the real entropy change.

Q: A diver takes a deep breath at the surface of water where the pressure is 1 atm, filling his lungs…

A: For first casePressure P=1 atmVolume V=4.3 LFor second case Pressure P'=0.33 atmVolume…

Q: The outstretched hands and arms of a figure skater preparing for a spin can be considered a slender…

A: Solution     Given dataHis hand and arm combined mass m=7.0kgWhen outstretched length L=1.7mRadius…

Q: 5. Predict/Calculate An rms voltage of 20.5 V with a frequency of 1.00 kHz is applied to a 0.395-µF…

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Q: Select all responses that affect the rate at which heat is transferred. O The surface area The…

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Q: A thermometer reading 5°C is brought into a room with a constant temperature of 29°C. If the…

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Q: A tunnel leading straight through a hill greatly amplifies tones at 135 and 138 Hz. Find the…

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Q: Problem 1: Assume the atmosphere can be treated as isothermal. In this case, the density varies…

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Q: he rms speed of the molecules in 1.0 g of hydrogen gas is 1800 m/s . 400 J of work are done to…

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Q: Two blocks having masses 3m and m, respectively, are connected by a cable and hung across a pulley…

A: Mass of pulley MRadius of pulley RHeight of 3m mass is hHeight of m mass is zero or at…

Q: 6.10* A thick glass lens of index 1.50 has radii of +23 cm and +20 cm, so that both vertices are to…

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Q: In the circuit of Fig. 10.74, the current i, (t) = 8.132 cos 271 A. What is the inductance of L₁?…

A: Given,The current and voltage, The angular frequency, Resistance, Capacitance, The impedance of the…

Q: A 45 kg figure skater is spinning on the toes of her skates at 1.1 rev/s. Her arms are outstretched…

A: A skater of massis spinning on her toes at a rate of .When the arms of the skater are outstretched…

Q: Johnny Jumper's favorite trick is to step out of his high-rise window and fall 55.0 m into a pool. A…

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Q: wavelength and the energy

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Q: An observer moving at a speed of 0.995c relative to a rod (see figure below) measures its length to…

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Q: Q1: Consider the election in a hydrogen atom to initially be in the state: Y(1= 0) = √ -ROYO +…

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Q: Consider two masses m₁ and m² interacting according to a potential V (☎₁ – ☎₂). (a) Write the…

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Q: Pls help ASAP on both pls i beg

A: Mass of sphere X,Speed of sphere X,Mass of sphere Y,Speed of sphere Y,

Q: Ex. 10: calculate the speed of an electron ( rest mass 0.5 MeV) that has been accelerated through a…

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Q: (1) A 1024 Hz tuning fork is placed at the source position in the figure shown. What must be the…

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Q: Two bodies of mass A = 8.5 kg and B = 94 kg are attached to the ends of a 3 m long weightless rod.…

A: Mass of bodymA = 8.5 kg mB = 94 kg   length of massless rod L = 3m

Q: e Young's double-slit experiment?

A: When two wave sources are coherent, it means that they have a constant phase relationship. Having…

Q: A cosmic ray electron (m= 9.1*10-31 kg) moves at 7.13*106 m/s perpendicular to the Earth's magnetic…

A: Mass of electron me = 9.1 × 10-31 kg Velocity of electronve = 7.13 × 106 m/s Strength of Magnetic…

Q: 3. What is the moment of inertia of a rod about an axis through the center of the rod? a) Calculate…

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Q: Consider the reaction 235 U + ¹n → 148 La + 87 Br + ¹n. 92 0 57 35 0 Element 235 U 92 in 0 148 La 57…

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Q: An alternating source drives a series RLC circuit with an emf amplitude of 6.13 V, at a phase angle…

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Q: materi What is the speed (in terms of c) of a 1.00 GeV cosmic ray proton? The rest mass of the…

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Q: The velocity of a 5.00 kg particle is given by 7 = (6.00tî + 5.00t² ĵ) m/s, with time t in seconds.…

A: Solution     Given data Mass m = 5.0 kgVelocity of particle v→=(6ti^+5t2j^)m/sMagnitude of force…

Q: Q2. Explain the neutrino hypothesis. How it accounted for the conservation of Energy, Linear…

A: The neutrino itself was challenging to detect due to its weak interaction with matter.

Q: (a) A pyramid has a height of 461 ft and its base covers an area of 12.0 acres (see figure below).…

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Q: 6.25* The system matrix for a thick biconvex lens in air is given by [0.6 0.2 -2.6 0.8 Knowing that…

A: Given,The first radius, Thickness,The index of lens, The lens matrix,Now, the system matrix for the…

Q: Suppose that a planet were discovered between the Sun and Mercury, with a circular orbit of radius…

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Q: I need to determine if the given state is entangled or not. |ϕ1⟩ = (1 / √3) |00⟩ − (i / √3) |01⟩ +…

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Q: You are walking by a river flowing at 1.67 m/s and decide to step into it to cool off. (a) Estimate…

A: You are walking by a river flowing at 1.67 m/s and deside to step in to cool off.Density of water is…

Q: The limit to the eye’s visual acuity is related to diffraction by the pupil. Randomized VariablesD…

A: Solution     Given dataDiameter D=3.05mm=3.05×10−3mWavelength of light λ=550×10−9mWhat is the angle…

Q: The force acting on a particle varies as shown in the figure below. (The x axis in the graph has its…

A: (1 smallest division=2.5 m)

Q: A particle with a charge of -1.24x10-8 C is moving with instantaneous velocity = (4.19x 104 m/s)i +…

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Q: Find the vector format for vector AB. Find the coordinate angles for AB.

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Q: Two 45-kg crates are located on a horizontal ground. Force P is applied to the crate P as shown in…

A: Given,Mass of the crates, According to force on the crate A an B,

Q: (L) Locate the centroid (y) of the cross-sectional area of the built-up beam from the bottom. Gomm…

A: There are some parameters that we need for the calculation of the centroid for each of the four…

Q: Calculate the de Broglie wavelength of a proton moving at 2.33 x 104 m/s and 2.55 x 108 m/s. (a)…

A: The two speeds of proton  and

Q: Consider the gain characteristics of a full pass filter. Given that the cutoff frequency (-3dB) if…

A: Given that the cutoff frequency (-3dB) if 112.5 Hz.Find the gain (A).

Q: Liquid helium is stored at its boiling-point temperature of 4.2 K in a spherical container (r= 0.30…

A: The temperature of Helium spherical container is The = 4.2 KThe radius of the container is r = 0.30…

Q: (a) If an electron makes a transition from the n = 6 Bohr orbit to the n = 2 orbit, determine the…

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Q: m 100 kg 1.0m 10. The 100 kg block in the figure below takes 6.0 s to reach the floor after being…

A: Given that, Mass of the block is 100 kg. The time taken to reach the ground is given by,  t = 6.0…

Q: The loaded cab of an elevator has a mass of 2.70 × 10³ kg and moves 193. m up the shaft in 19.0 s at…

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Q: If a billards ball is struck sending it to the side of the pool table And Given no change in the…

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Q: 5.0 kg mass hanging from a spring scale is slowly lowered onto a vertical spring. shown in (Eigure…

A: Draw the free-body diagramMass,m=6 kgTension, T=20 Nfrom the free-body diagram

Q: Consider the line element of the sphere of radius a: ds2 = a2(dθ2 + sin2 θ dØ2 ). The only…

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Q: (a) Calculate the classical momentum of a neutron traveling at 0.987c, neglecting relativistic…

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