macinnoodlezz
28.01.2021 •
Physics
The speed of sound in air at room temperature is 344 m/s. The class room is 15
meters wide. How long does it take for the sound to travel from one side to the other?
Use proportionality to explain what happens to the travel time if the room’s width is
doubled.
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Ответ:
tbtufbfvhcu
Explanation:
fhtufjut nf ucfnfufhf DC futfbfhr Fuchs brbcu nebcbdbruchfbrb ruby chrhr
Ответ:
Sodium: C) Malleable, soft, and shiny
Silicon: B) Has properties of both metals and nonmetals
Bromine: D) Highly reactive gas
Argon: A) Nonreactive gas
Hope this helps :)