A wrecking 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 1.2s. Find the time it takes for the ball to fall from rest all the way to the ground.
??? HUH? The answer is 1.7 s, but I have no clue on this one??
Vo = 0 m.s
a = 9.8 m.s.s
t 1/2 way is 1.2s.
I can't see what formula to give me ANY Other info???
What formula are you using?? We were only given 4 of them the main ones. V=Vo+at, d=1/2(V+Vo)t, d=Vot+1/2at^2, V^2=Vo^2+2ad.
That's all we were given. What is h=height? I understand g is my a above.
I am still a bit confused, not catching on to this.
If I subbed in the first eq. I get 14.112 is that correct? probably not.