Question

A man fired a bullet standing at a distance of 100 m from the foot of a hill. If the echo was observed after one second, the speed of the sound is
1) 109 m/s
2) 200 m/s
3) 50 m/s
4) 300 m/s​

Answer 1

Answer:

50 m per second

Step-by-step explanation:

because it was heard after one second