An aircraft flying at a steady velocity of 70m/s eastwards at height of 800m drops a package of supplies

a)express the initial velocity of the package as vector.
B)how long will it take for the package to reach the ground?
C)how fast will it be going as it lands?(answer in vector form)

6 answers

a)70m/s b)12.8s c)√20900
I am not clear
A,70m/s
B,12.8s
show me the formula
Show me the formula
What formula did you use?