QB2c. Write down an expression for the electromotive force (EMF) Ę in a metal disk of radius Rrotating in a magnetic field of strength B considering that the surface of the disk makes anangle a with the magnetic field. The disk is rotating with frequency f. Please use appropriatealgebraic symbols for multiplication (* for a × b), division (/ for a/b), exponents (a^b for a³),square root (sqrt(a*b/c) for √ax b/c) etc. For greek letters use their names e.g. "theta","alpha", "pi" (without the quotes) and for trigonometric functions use "cos", "tan", "sin"(without the quotes). Thus for Acose use A* cos theta. Please use the "Display response" buttonto check you entered the answer you expect.EMF=

The radius of the metal disk is RThe strength of the magnetic field is BThe angle between the…

Answered: QB2c. Write down an expression for the…

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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A boat is heading north through the water at 10 m/s. A person on the boat walks at 3.0 m/s towards the back of the boat, so that they are heading south. While they walk, the person uses their phone to find out that their velocity over the ground is 6.0 m/s [N]. Determine the strength and direction of the current. Include units and direction with spaces, like this: xx m/s [X]
C A charged particle moves through a velocity selector at constant velocity. The velocity selector is configured with "crossed" electric and magnetic fields of magnitude E= 2.00 x 10 N/C and B = 0.2 T Hint a. What is the velocity of the charged particle? Velocity of the charged particle is x 10 m/s. b. When the electric field is turned off, the charged particle travels in a circular path of radíus 2 mm, as it travels through the magnetic field (still at B=0.2 T). What is the mass-to-charge ratio of the particle? Hint for (b) Mass-to-charge ratio of the particle is kg/C. (Use the "E" notation to enter your answer in scientific notation. For example, to enter 3.14 x 10-¹2, enter "3.14E-12".) Submit Question G Search or type URL % 5 A MacBook Pro 6 &
E A charge of 1.2 C having an initial velocity of=3.91 3.3k m/s enters a region with an electric field E=3.11 N/C and a magnetic field B=3.71+4.2k T. Calculate the magnitude of the force on the charge immediately after it enters the region. Express your answer in Newtons (write just the value, not the unit), rounding to one cigit after the decimal separator. Add your answer
E A charge of 1.1 C having an initial velocity of 3.91+4.1k m/s enters a region with an electric field E=3.4k N/C and a magnetic field B=4.27+3.9k T. Calculate the magnitude of the force on the charge immediately after it enters the region. Express your answer in Newtons (write just the value, not the unit), rounding to one digit after the decimal separator. Yanitinizi ekleyin.
A current of 5.72 A flows along a wire with = (1.382 - 2.095 ) m. The wire resides in a uniform magnetic field B = (-0.350 +0.700 ) T. What is the magnetic force acting on the wire? (Express your answer in vector form.) N
Can you please answer g & h?
e. Draw the Amperian loop that will allow you to find the magnetic field at a point P inside the cylinder (r < b). f. Write the integral B ds = $ B cos o ds in terms of the unknown B and the givens 7 and/or b. Your answer should look familiar. g. i. What is the current Ithru going through your Amperian loop? Hint: the current is spread out evenly over the cross-sectional area of the wire so set up a ratio of areas. Check that your expression for Ithrough has the dimensions of current. h. Use (f) and (g) to determine the magnetic field for r
Part D A particle with charge – 5.10 nC is moving in a uniform magnetic field B= -(1.26 T )k. The magnetic force on the particle is measured to be Calculate the scalar product v· F. Assume the velocity has only components found in the previous parts. F = -( 3.10x10-7 N )ê+(7.60x10-7 N )3. Express your answer in meters per second times newtons. Nνα ΑΣφ ? m/s N Submit Request Answer Part E What is the angle between v and F? Give your answer in degrees. Express your answer in degrees. ? = Submit Request Answer Provide Feedback
Solve I, II & III Use the following constants if necessary. Coulomb constant, k = 8.987×10^9 N⋅m^2/C^2 . Vacuum permitivity, ϵ0= 8.854×10^−12 F/m. Magnetic Permeability of vacuum, μ0 = 12.566370614356×10^−7 H/m. Magnitude of the Charge of one electron, e = −1.60217662×10^−19 C. Mass of one electron, m_e = 9.10938356×10^−31 kg. Unless specified otherwise, each symbol carries their usual meaning. For example, μC means microcoulomb .
Two wires AC and BC are attached to a 7 Kg sphere that It rotates at constant speed v in the horizontal circle shown in the figure. Yes θ1 = 55° and θ2= 30 ° and d 1.4 m, determine the range of values of v for which both wires are held taut.
L. B A positively charged particle is tied by a massless string and allowed to move on a smooth plane, as shown in the picture. A uniform magnetic field B = 1 T is applied perpendicular to the plane pointing down. The length of the string is L = 25 cm. The mass of the particle is m = 35 kg. The charge on this particle is q = 0.65 C. The velocity of the motion is a constant v = observing from above the plane. You can ignore friction. %3D 0.1392 m/s, in the clockwise direction when At a speed of v = 0.1392 m/s, how much is the Lorentz force (i.e. magnetic force) on the particle? (in units of Newton) Submit Answer fries 0/2 To maitain the circular motion at this speed with a radius L, the net force Fnet on the particle is pointing to the center O. How much is Fnet? (in units of Newton) Submit Answer Tries 0/2 It is strongly recommended that you draw a free body diagram to answer the next two parts of the problem. How much is the tension in the string? (in units of Newton) Submit Answer…
b

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