A boy is standing in front of the wall at the distance of 85 m and produces 2 claps per second. he notices that the sound of his clapping concides with the echo. the echo is heard only when the clapping is stopped. calculate the speed of the sound.
Answers
Answered by
0
Answer:
The Answer is 42.5 per second
Answered by
6
Answer:
v = 340 m/s
Explanation:
⇒ 2d = v × t
Where :
- d - distance
- v - speed of sound
- t -time
2 claps in 1 second, so each clap in 1/2 or 0.5 second.
⇒ 2 × 85 = v × 0.5
⇒ 2 × 85/0.5 = v
⇒ v = 340 m/s
Similar questions