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Solve the problem
-Three trains - one eastbound, one westbound, and one northbound - leave a city at the same time. The speed of the northbound train is 30 miles per hour greater than the speed of the eastbound train. After 2 hours, the Distance between the westbound train and the eastbound train is 160 miles. Twice the speed of the westbound Train is 40 miles per hour more than the speed of the northbound train. Find the speeds of the three trains.
Radio
The technology of transmitting signals, voice, and music by modulating electromagnetic waves without wires.
Satellite
An object that has been intentionally placed into orbit around the Earth or another celestial body.
Microwave
A type of electromagnetic radiation with wavelengths ranging from one meter to one millimeter; used in a variety of technologies, including microwave ovens that heat food.
Fiber
Fiber, in the context of telecommunications, refers to fiber optic technology, which uses threads of glass or plastic to transmit data via pulses of light, offering high-speed Internet access.
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