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Problem 23 Easy Difficulty

A truck is carrying a steel beam of length 15.0 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 25.0 m/s. The velocity of the center of mass of the beam is north-ward 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$\mu \mathrm{T} .$ What is the magnitude of the induced emf between the ends of the beam?

Answer

0.0131 \mathrm{V}

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Video Transcript

all right. The emotionally IMF induced is given by magnetic field strength. Beauty linked l velocity, the product of those things on. So here you have a magnetic field that's oriented perpendicular to the motion sorts. Eso There's also this applies. Magnetic field strength of the earth is 35 times to the negative. Six Tesla. That's unlike that's micro test. Less length is 15 meters. Velocity is 25 meters per second. This gives you 1.31 times two legged if too volts or 13.1 million volts.

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Top Physics 102 Electricity and Magnetism Educators
Elyse G.

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