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A man standing at the middle of two parallel walls fires a gun. He hears an echo after 1.5 seconds. Determine the distance of separation of the walls.
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Aug 18, 2021
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Physics Form 1
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anonymous
A man standing at the middle of two parallel walls fires a gun. He hears an echo after 1.5 seconds. Determine the distance of separation of the walls.
sound
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Aug 18, 2021
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anonymous
Distance = Velocity × time
= 340 × 1.5
= 510m
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