Answers

The Brainliest Answer!
2016-01-15T14:25:21+05:30
Speed of Sound = 330 m/s
Time = 30 s

Distance = Speed×Time
               =330×30
               =9900 m 
2 5 2
i think cbsingh that u should have posted this question in physics or maths . 
2016-01-15T16:35:46+05:30
As the speed of sound is 330m per sec and it is heard after 30 sec the ans is
330 * 30 
=9900m
=9 km 900 m
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