Galileo’s famous experiment where he dropped a light rock and a heavy rock from the Leaning Tower of Pisa (it may not actually have happened but it’s still famous)?

light-rock
heavy-rock

#1

Galileo’s famous experiment where he dropped a light rock and a heavy rock from the Leaning Tower of Pisa (it may not actually have happened but it’s still famous)? The tower is 55 m high. Suppose that Galileo accidentally dropped one rock 0.50 s before the second rock. With
what initial velocity should he drop the second rock to that it reaches the ground at the same time as the first rock?

Answer
image
image