PUMPA - SMART LEARNING

எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்

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1. A stone is dropped from the top of a tower \(750\) \(m\) high into a pond of water at the base of the tower. Calculate the number of seconds for the splash to be heard? (\(g\) \(=\) \(10\) m/s2 , speed of sound in air \(=\) \(340\) \(m/s\))?
 
mill-old-water-building.jpg
 
Which equation of motion can be applicable in this case
  
 
The time taken by the stone to reach water is  \(s\)
 
The time taken by the sound to reach top surface is  \(s\)
 
Thus, the total time taken by the splash sound to reach the top is  \(s\)