hf=hi+Vi*t-1/2 g t^2
0=62+13t-4.8t^2 solve for t.
A hot-air balloon is ascending at the rate of 13 m/s and is 62 m above the ground when a package is dropped over the side. (a) How long does the package take to reach the ground? (b) With what speed does it hit the ground?
1 answer
1 answer