Physics, 29.01.2020 00:05, kaitlynmoore42
Aremote control for a television works by sending out electromagnetic waves. which is the best description for the behavior of the waves?
a. the speed of the waves changes as it moves through the air, so the waves refract and diffract.
b. the remote control sends out longitudinal waves, which then echo off the television detector.
c. transverse waves from the remote transmit through air, which are then absorbed by the television detector.
Answers: 2
Physics, 22.06.2019 07:50, babbybronx
Imagine you are standing in the antarctic during the southern hemisphere summer. the sky is clear and blue. there are no clouds in the sky. your shadow is cast on the icy ground. what is the color of the shadow?
Answers: 1
Physics, 23.06.2019 02:30, rowdycar313p0ao5k
Asatellite with an orbital period of exactly 24.0 h is always positioned over the same spot on earth. this is known as a geosynchronous orbit. television, communication, and weather satellites use geosynchronous orbits. at what distance would a satellite have to orbit earth in order to have a geosynchronous orbit?
Answers: 2
Aremote control for a television works by sending out electromagnetic waves. which is the best descr...
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