Asked by bob

when a stone is dropped down a well, the distance fallen is given by D=4.9t^2 meters where t is the time taken in seconds

Answers

Answered by mathhelper
That is true.
Answered by Anonymous
That is true if D is in meters and g = 9.81 m/s^2
h = Hi -(1/2) g t^2 = Hi - (9.81/2) t^2 = Hi -4.9 t^2
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