An airplane is flying horizontally with a constant velocity

Question

I need proficient help in the following problem:

Problem: An airplane is flying horizontally with a constant velocity of 150 m/s at an altitude of 4700 m when it drops a package.

Part I: How long does it take for the package to reach the ground?

s

Part II: What is the distance between the airplane and the package when the package hits the ground? Ignore air resistance.

m

Part III: How far ahead of the target along the x direction should the plane be when it releases the package?

m

Show all work, use additional paper if necessary.