Kirchhoff's junction rule is a statement of the law of conservation of energy. the law of conservation Newton's second law. the law of conservation of charge. the law of conservation of angular momentum. of momentum.

Q: (a) Calculate the most probable value, mp, of finding the electron. (b) Calculate the average value,…

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Q: Which of the following quantity/quantities is/are independent of others. Wavelength Frequency All…

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Q: A surfer is on a surf board described by the wave equation: y0 = 2.6 sin(4.8t - 2.8x). What is his…

A: When the surfer is on a surf board standing on a water wave, the surf board will always move…

Q: A small button placed on a horizontal rotating platform with diameter 0.530 m will revolve with the…

A: Diameter of the rotating platform (D) = 0.53 mSpeed of the platform N1 =43 rev/min = radius r1 =…

Q: Find the direction of the force on a negative charge for each diagram shown below, where & (green)…

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Q: (c) An ice skater opens and closes her arms while rotating around a vertical axis. (d) A bullet in

A: I have explained everything for part C as you  demanded

Q: The dipole moment of an electric dipole is 6.2X10-30 Cm. What is the maximum force acting on it when…

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Q: The work done in moving a positive charge against an electric field does not depend on the path…

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Q: his For a force vector, the following parameters are randomly generated. The magnitude is 0.9 N, a =…

A: Here we will find the correct option and the reason behind it

Q: How can you convert a galvanometer into an ammeter? By adding a low resistance in parallel By adding…

A: A galvanometer is converted into an ammeter by connecting a low resistance in parallel with the…

Q: The figure shows a ring of outer radius R = 19.0 cm, inner radius r = 0.210R, and uniform surface…

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Q: The 75 kg wheel has a radius of gyration about its mass center of kc = 375 mm. The coefficients of…

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Q: In question 44 and question 48 consider figure 3 shown below Lenses A X B

A: A =convex lensB = concave lens C = concave mirrorD= convex mirror E=plane mirror

Q: A group of hikers hears an echo 4.00 s after shouting. How far away is the mountain that reflected…

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Q: First Law of Thermodynamics An engine takes 3.25 mole of an ideal monatomic He gas through the cycle…

A: Given,Number of moles, The pressure at the point c according to the graph,According to the graph the…

Q: The relation between the number of free electrons (n) in a semiconductor and temperature (T) is…

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Q: Calculate the ratio of the drag force on a jet flying at 920 km/h at an altitude of 9.50 km to the…

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Q: A 1-meter long, 20 kg uniform bar is attached to a wall by a hinge. It is held in a horizontal…

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Q: Imagine that we have a box that emits electrons in a definite but unknown spin state |y). If we send…

A: This can be solved using concepts of probability in quantum mechanics

Q: 3.8. A driver going too fast for the icy conditions sees a truck stopped ahead and slams on the…

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Q: In the figure V = 12 V, C₁ = 11 μF, and C₂ C3= 18 µF. Switch S is first thrown to the left side…

A: Volatage= 12 V

Q: Suppose you have a conical surface (e.g., an empty ice cream cone) that carries a uniform surface…

A: I have used the concept of potential

Q: 6. Two blocks of masses m and 2m are placed in contact on a horizontal, frictionless surface, with…

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Q: A 0.32-kg skeet (clay target) is fired at an angle of 28° to the horizon with a speed of 25 m/s.…

A: Range ,NowAfter collision skeet moves along horizontally at, Vertical velocity of pellet is,Now…

Q: A transverse periodic wave is represented by the equation y(x, t) = A1 sin(wt - kx). Another…

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Q: What is the total rate of radiation of energy from a human body with a surface area of 1.20 m² and…

A: We can use formula

Q: Given is 1 mole of [(14N₂)] molecules at atmospheric pressure and temperature of 277K. Calculate the…

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Q: Find the distance from the rounded tip of the plate to the center of mass.

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Q: For each circuit in the figure, are the capacitors connected in series, in parallel, or in neither…

A: Solution for the circuit a:One end  of a capacitor is connected directly to the other end  of the…

Q: Water enters a horizontal pipe of non-uniform cross-section with a velocity of 0.6m/s and leaves the…

A: Given,velocity at the first end, velocity at the other end, pressure of the water at the first end,…

Q: A copper ring can be made to levitate about the extended bar of an electromagnet because the…

A: In the case of a copper ring levitating above the bar of an electromagnet, the ring generates its…

Q: A 10 kg weight is attached to a spring with constant k = 90 kg/m and subjected to an external force…

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Q: Distinguish between types of electroanalytical methods with references to Potentiometry, Coulometry…

A: (1) Potentiometry:Potentiometry is a technique that measures the electrical potential (voltage)…

Q: Find the potential difference required to accelerate protons from rest to 10% of the speed of light.…

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Q: 2. Estimate your own luminosity (in terms of Stefan-Boltzmann law). Express the result in both…

A: The luminosity of a body is the total power radiated by it

Q: The relation between the number of free electrons (n) in a semiconductor and temperature (T) is…

A: Form formulaexp

Q: 1) When solving the impact problems, we should always assume that during an impact between two…

A: At the time of  an impact between two bodies,  there will be a permanent deformation depending on…

Q: Calculate the frequency of electromagnetic radiation having a wavelength of 60.0 nm. The speed of…

A: Given,The wavelength of the wave, Speed of the light, The frequency of the wave,

Q: A long straight wire carries a current of 42.9 A. An electron, traveling at 1.00 x 107 m/s, is 8.30…

A: The current in the wire = 42.9 AThe speed of the electron = 1.0*10^7 m/s and it is in y directionThe…

Q: The current amplitude in a pure inductor in a radio receiver is to be 250 µA when the voltage…

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Q: Determine whether the block shown in the figure is in equilibrium and find the magnitude and…

A: I have used concept of equillibrium

Q: light A 100 W lightbulb is plugged into a standard 120 V outlet. (a) How much does it cost in…

A: Bulb power=100 wSource voltage=120 v

Q: 3. On a very rainy day, Nick drags a box of old books to the bookstore to sell. The box moves…

A: Given,the velocity of the box, length of the box, the breadth of the box, depth of the box, let the…

Q: For a simple closed curve C in the plane show by Green's theorem that the area inclosed is A= ½ f (x…

A: Here we will find that the area of ellipse is (pi)ab

Q: Two boxes A and B are at rest on a frictionless surface. MA>MB (M = mass). Two equal forces are…

A: Let the magnitude of the force applied on the boxes is F.The acceleration of box A aA=FmAThe…

Q: Two electric charges +Q and -Q, are separated by a distance d. If you make a graph of the electric…

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Q: An individual's arm segment is 0.35 m long and has an angular acceleration of 90°/s². What is their…

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Q: What is the electric field strength inside the capacitor?

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Q: Which of the following is true for the canonical ensemble? Entropy is constant Total energy is…

A: (1) Entropy is constant: In the canonical ensemble, the entropy is not necessarily constant. The…

Q: Two smooth disks A and B each have a mass of 0.5 kg. Both disks are moving with the velocities shown…

A: I have used the conservation of linear momentum