Awrecking ball is hanging at rest from a crane when suddenly the cable breaks. the time it takes for the ball to fall halfway to the ground is 1.2 s. find the time it takes for the ball to fall from rest all the way to the ground.

i will give tons of points away to whoever answers this

Which statements identify what astronomers currently know and think will happen with our universe? check all that apply. the big bang produced dark energy, which accounts for some of the energy needed to expand the universe. the vastness of space may contain a type of matter known as "dark matter." the universe is currently shrinking at a rapid rate. the universe is currently expanding at an accelerating rate. the big bang theory explains all the energy and matter discovered by scientists.