posted by jj .
Judy, by chance, spots a potted plant falling
outside the window at 2.04 m/s . Further
down the same building, Judy’s boyfriend
clocks the pot at 56 m/s .
How far apart are the friends? The acceleration of gravity is 9.8 m/s
d = (Vf^2 - Vo^2) / 2g,
d = ((56)^2 - (2.04)^2) / 19.6 = 159.8m