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01-04-2019
Physics

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HELP.
which one is mechanical and electromagnetic.

1. does not require a medium

2. requires a medium

Respuesta :

01-04-2019

-- Mechanical waves DO require a medium in order to travel from place to place. (Sound can't travel without some material to travel through on the way.)

-- Electromagnetic waves do NOT need a medium in order to travel from place to place. (Sunlight reaches us from the Sun without anything to travel through on the way.)

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