Asked by Leonel

A stone is thrown down a well at a velocity of 20m/s. If the well is 20m deep, calculate the time taken for the stone to reach the bottom of the well.

Answers

Answered by bobpursley
depth= vi*t-4.9t^2 where vi=-20, d=-20
solve for t.
Answered by Anonymous
V=u+at 20=0+9.8t
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