Posted by ellen on .
It takes 6 seconds for a stone dropped from rest to the bottom of a well,what is its final speed
A; 6 meters/second
B: 30 meters/seconds
C: 36 meters/seconds
D: 60 METERS/SECONDS
A is incrrect

physical science 2 
bobpursley,
vf=g*t where g=9.8m/s^2