kabelorampeng1 kabelorampeng1

23-09-2022
Physics

contestada

A sound wave travels to a high wall which is 225m away from the source and is then reflected back to is initial position If the speed of sound in air as 340ms", calculate the time it takes to hear the echo.

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23-09-2022

Answer:

1.32 (3sf)

Explanation:

total distance the sound wave travel= 225 x 2= 450m
450 ÷ 340= 1.32s

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