spiritsgirl4427 spiritsgirl4427
  • 06-12-2022
  • Physics
contestada

(a) A dc power line for a light-rail system carries 1000 A at an angle of 30.0∘ to Earth’s 5.0×10−5T field. What is the force on a 100-m section of this line? (b) Discuss practical concerns this presents, if any.

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