Posted by **kb** on Wednesday, February 25, 2009 at 11:23pm.

An airplane is flying horizontally with a constant velocity of 160 m/s at an altitude of 5400 m when it drops a package.

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

- physics -
**drwls**, Wednesday, February 25, 2009 at 11:27pm
Calculate how long it takes to hit the ground. Call that time T.

Use H = (1/2) g T^2

Rearrange it to solve for T. H is 5400 m and you should know what g is.

Multiply T by the horizontal flight velocity, 160 m/s.

That will tell you how far the box moves forward along the flight path while it is falling.

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