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A stone reaches the earth in …

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A stone reaches the earth in 4 sec when dropped from a tower .what will be the approximate height of the tower
  • 1 answers

Gaurav Seth 6 years, 7 months ago

 u=0m/s; t=4sec; g=10m/s;h=?
let us use :h=ut+1/2gt^2
h=(0×4)+1/2×10×4×4
h=10×4×2
h=80 
therefore the height of the tower is 80meter.

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