A boy standing 70m from a high wall claps his hands. After how much time is an echo heard?(The speed of sound in air is 350m/s)
Answers
Answered by
3
Answer:
Mark me as brainliest please
Answered by
4
Answer:
S = D/t
350 = 70 /2
t =35 /350
t = 0.01s
mark me as brainliest.......
plzzzzzz
Similar questions