A sound wave traveling at 341 ms is emittedby foghorn of a, Ask an Expert

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Q. An electron is accelerated from rest by a potential difference of 358 V. It then enters a uniform magnetic field 281 mT with its velocity perpendicular to the field. Calculate the radius of its path in the magnetic field.

Q. A sound wave traveling at 341 m/s is emittedby the foghorn of a tugboat. An echo is heard2.40 s later.How far away is the reflecting object?Answer in units of m.

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