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A physics student with too much free time drops a watermelon from the roof of a building. He hears the sound of the watermelon going "splat" after a time interval of Δt.

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Coluten - -time building heaga to watermelon het et takes t time to reach groonel guebal speed u=0 Then from and eye of motioNow koond es prodved, time taken at travel - n destance with speed is - 1 Total time Oto , & de - At- Sguaning both sides, weh=augot + 242 a Ir +218) 212722 4 - 4 h- Quot taus + 8 v se 2

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