A gun is fired in the air at a distance of 680m from a person. He hears the sound of the gun after 2 seconds. Calculate the speed of sound.
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using v=2d/t
we get, v=2x680/2
v=680 m/s
we get, v=2x680/2
v=680 m/s
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Explanation:
Environmental impact of
development projects can be
O Immediate
O Short term
O Long term
All of these
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