A truck is carrying a steel beam of length 15.0 in on a freeway. An accident causes the beam to be dumped off the truck and slide horizontally along the ground at a speed of 25.0 m/s. The velocity of the center of mass of the beam is northward while the length of the beam maintains an east-west orientation. The vertical component of the Earth's magnetic field at this location has a magnitude of 35.0 µT. What is the magnitude of the induced emf between the ends of the beam?
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- The figure below shows a section of an overhead power line that is 57.5 m long and carries a current of 2.25 kA. The current is directed to the north. The magnitude of the Earth's magnetic field at this location is 5.30 x 10-5 T. The field has a northward component and a downward component, so that it makes an angle of 65.0° with the power line. 65.0⁰ (a) What is the magnitude of the magnetic force (in N) on the power line? N (b) What is the direction of the magnetic force on the power line? O north (in the same direction as I) O south (in the opposite direction as I) O east (out of the page) O west (into the page) O upward O downward O in the same direction as BIn the figure below, a long circular pipe with outside radius R=2.18 cm carries a (uniformly distributed) current i = 9.57 mA into the page. A wire runs parallel to the pipe at a distance of 3.00R from center to center. Find the (a) magnitude and (b) direction (into or out of the page) of the current in the wire such that the ratio of the magnitude of the net magnetic field at point P to the magnitude of the net magnetic field at the center of the pipe is 4.85, but it has the opposite direction. Wire O (a) Number (b) Units P. R R R PipeA single ionized atom, that is deficient one electron, is traveling at in a straight line when it enters a uniform magnetic field of strength 0.750 T. The ion is traveling in the plane of the page, while the magnetic field points into the page. (See the diagram below.) If the mass of the ionized atom is 6.68 x 10-27 kg, what is the frequency in Hz of the resultant circular motion? The charge of a single electron is 1.602 x 10-19 C. a. 7.47 MHz b. 6.33 MHz c. 4.13 MHz d. 3.50 MHz e. .2.86 MHz
- A truck is carrying a steel beam of length 16.0 m on a freeway. An accident causes the beam to be dumped off the truck and slide horizontally along the ground at a speed of 29.0 m/s. The velocity of the center of mass of the beam is northward while the length of the beam maintains an east–west orientation. The vertical component of the Earth's magnetic field at this location has a magnitude of 38.5 ?T. What is the magnitude of the induced emf between the ends of the beam?The figure below shows a section of an overhead power line that is 56.5 m long and carries a current of 2.35 kA. The current is directed to the north. The magnitude of the Earth's magnetic field at this location is 4.50 x 10-3 T. The field has a northward component and a downward component, so that it makes an angle of 65.0 with the power line. 65.0 (a) What is the magnitude of the magnetic force (in N) on the power line? N (b) What is the direction of the magnetic force on the power line? O north (in the same direction as I) O south (in the opposite direction as ) O east (out of the page) O west (into the page) O upward O downward O in the same direction as BA uniform magnetic field passes through a horizontal circular wire loop at an angle 19.5° from the normal to the plane of the loop. The magnitude of the magnetic field is 4.75 T, and the radius of the wire loop is 0.240 m. Find the magnetic flux through the loop. $= Wb
- A truck is carrying a steel beam of length 14.5 m on a freeway. An accident causes the beam to be dumped off the truck and slide horizontally along the ground at a speed of 24.5 m/s. The velocity of the center of mass of the beam is northward while the length of the beam maintains an east–west orientation. The vertical component of the Earth's magnetic field at this location has a magnitude of 48.0 μT. What is the magnitude of the induced emf between the ends of the beam? mVA charge q = -0.35 µC has a velocity of 2500000 m/s at 45° to the +x axis in the xz plane, with a positive x and z component. There is a magnetic field of magnitude 0.06 T. a) If B is along the +zaxis, what is the force on the charge? N along the +y axis b) If the force on the charge is 2 x 10-3N along +yaxis, what is the direction of B? degrees from the +zaxis in the xz plane.A current I = 16 A is directed along the positive x-axis and perpendicular to a magnetic field. A magnetic force per unit length of 0.08 N/m acts on the conductor in the negative y-direction. Calculate the magnitude and direction of the magnetic field in the region through which the current passes.
- A rectangular loop of wire that is 68 cm wide and 9 cm long is placed in a region where the magnetic field is B = 2.2 T. Suppose the wire loop lies in the x–y plane and that the magnetic field makes an angle of 51° with the z axis. Find the magnitude of the magnetic flux.t-96662&cmid%3D9729&page%D10 A wire (mass = 50 g, length = 40 cm) is suspended horizontally by two vertical wires which conduct a current I = 17.4 A, as shown in the figure. The magnetic field in the region is into the paper and has a magnitude of 60 mT. What is the tension in either wire ( in units of N)? XX X X X.X 40 cm Select one: OA 037 OB 091A truck is carrying a steel beam of length 16.0 m on a freeway. An accident causes the beam to be dumped off the truck and slide horizontally along the ground at a speed of 24.0 m/s. The velocity of the center of mass of the beam is northward while the length of the beam maintains an east–west orientation. The vertical component of the Earth's magnetic field at this location has a magnitude of 31.0 ?T. What is the magnitude of the induced emf between the ends of the beam? mV