Time it takes to hit the ground

[SunKissedGal1]

Homework Statement

A hellicopter traveling upward at 69 m/s drops a package from a height of 500 meters. To the nearest second how long does it take to hit the ground?

Homework Equations

possibly displacement??
v= 69
x=500
a=9.8
t=??

The Attempt at a Solution

do i use
X=1/2 at^2 +Vt ??

 

[asleight]

Homework Statement

A hellicopter traveling upward at 69 m/s drops a package from a height of 500 meters. To the nearest second how long does it take to hit the ground?

Homework Equations

possibly displacement??
v= 69
x=500
a=9.8
t=??

The Attempt at a Solution

do i use
X=1/2 at^2 +Vt ??

That'd work out just fine.

 

[LowlyPion]

Homework Statement

A hellicopter traveling upward at 69 m/s drops a package from a height of 500 meters. To the nearest second how long does it take to hit the ground?

Homework Equations

possibly displacement??
v= 69
x=500
a=9.8
t=??

The Attempt at a Solution

do i use
X=1/2 at^2 +Vt ??

Figure how high the package goes after being released and then figure how long it takes to drop the total distance and add that to the time it took to go up from 500 and that will be your total time.