Simple isn't it? #9

Classical Mechanics Level 4

What will be the time (in seconds) taken by a small stone to reach the surface of the Earth if it is dropped from a height \(\frac{R}{4}\).


  • \(R\)= radius of earth = \(6400\) km
  • \(M\)= mass of earth = \(6\times 10^{24} \) kg

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