An echo is heard in 3 s. What is the distance of the reflecting surface from the source, given that the speed of sound is 342 ms-1?

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$D e a r S t u d e n t T o t a l D i s \tan c e t r a v e l l e d b y s o u n d = 2 * D i s \tan c e b e t w e e n s o u r c e a n d r e f l e c t i n g s u r f a c e = 2 x t i m e = 3 s s p e e d = \frac{d i s \tan c e}{t i m e} = \frac{2 x}{3} = 342 x = \frac{342 * 3}{2} = 513 m R e g a r d s$

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A person clapped his hands in an empty room. He heard the echo of the clap after 5 seconds. What is the distance between the source of the sound and the reflecting surface? It is given that the speed of sound in air is 343 m/s?

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An echo is heard in 3 s. What is the distance of the reflecting surface from the source, given that the speed of sound is 342 ms-1?

Dear StudentTotal Distance travelled by sound= 2*Distance between source and reflecting surface=2xtime=3 sspeed=distancetime=2x3=342x=342*32=513 mRegards

$D e a r S t u d e n t T o t a l D i s \tan c e t r a v e l l e d b y s o u n d = 2 * D i s \tan c e b e t w e e n s o u r c e a n d r e f l e c t i n g s u r f a c e = 2 x t i m e = 3 s s p e e d = \frac{d i s \tan c e}{t i m e} = \frac{2 x}{3} = 342 x = \frac{342 * 3}{2} = 513 m R e g a r d s$