From her bedroom window a girl drops a water-filled balloon to the ground, 3.5 m below.?

From her bedroom window a girl drops a water-filled balloon to the ground, 3.5 m below. If the balloon is released from rest, how long is it in the air?

Comments on "From her bedroom window a girl drops a water-filled balloon to the ground, 3.5 m below.?"
More: What scientific evidence is there that proves the ghosts & UFO's do not exist? What is dementia? How can an industrial engineer work in a hotel? Which new idea has been added to our theory of solar system formation as a result of the discoveries of extrasolar planets? What organ in humans have the highest temperature?