An echo is heard after 5 seconds of the production of sound which move – McqOptions

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1.	An echo is heard after 5 seconds of the production of sound which moves with a speed of 340 m/s. What is the distance of the mountain from the source of sound which produced the echo?
A.	0.085 km
B.	0.85 km
C.	0.17 km
D.	1.7 km
Answer» C. 0.17 km

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