Q.19): Sound travel at the speed of 340 metre per second if a gun heard
After 7 half second second of its being fired then how far had it been fired.
Answers
Answered by
1
1190 meters
340*7/2=1190 meters
Answered by
5
1second=340metre
7 sec=340metre multiply by 7 =2380sec
7 and a half second = 2380 + (340 divided by 2) = 170
2380+170=2550
Ans = 2550metres
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