the smoke from the gun barrel is seen 2 seconds before the explosion is heard , if the speed of sound in air is 340 ms-¹ . Calculate the distance of observer from the gun .State the approximation used
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0
for calculating distance
the formula is
distance=velocity ×time÷2
distance=340×2÷2
=680÷2
=340metre answer
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6
- as we know that,
- distance=velocity×time/2
- so,
- distance = 340×2/2
- distance = 340m
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