why can you not here evho if you start 10 metre away from a wall and shout towards it?
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2
Answer:
To hear the echo we need to stand at least 17 m away from the object. This is because, distance travelled by sound in 1/10 second = speed x time = 340 m/s x (1/10) s = 34 m. Thus, we cannot hear the echo if you stand 10 m away from a wall and shout towards
Answered by
1
Answer:
No
Explanation:
To hear a echo we need to stand at least 17m away from the object. This is because ,distance travelled by sound in 1/10second = speed × time=340 m/s×(1/10)
s=34m. Thus we cannot hear the echo if a wall and shout towards.
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