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| 1. |
The distance of the gunman from a cliff is 560 meter. How much time will he take to hear an echo of the gunshot fired by him? (Speed of sound = 340 m/s) (2) |
| Answer» E =560 m Speed=340m/sTherefore,TIME =2×distance ÷speed =2×560÷340 =3•29 SECONDS | |