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A hunter fires a gun at a point 408 m away from a cliff. If...

Physics
WAEC 2022

A hunter fires a gun at a point 408 m away from a cliff. If he hears an echo 2.4 s later, determine the speed of the sound wave

  • A. 340 ms\(^{-1}\)
  • B. 380 m s\(^{-1}\)
  • C. 400 m s \(^{-1}\)
  • D. 680 m s\(^{-1}\)
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Correct Answer: Option A
Explanation

speed of the sound wave = \(\frac{distance * 2}{time}\)

= \(\frac{408 * 2}{2.4}\)

: speed of the sound wave = 340 ms\(^{-1}\)

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JAMB CBT Software 2025 - Free Download
JAMB CBT 2025 - Candidates, Schools, Centres, Resellers - Get Ready!
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WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 127076
JAMB CBT 2025 - Candidates, Schools, Centres, Resellers - Get Ready!
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