# physics

A helicopter is ascending vertically with a speed of 5.20 m/s. At a height of 120 m above the Earth, a package is dropped from a window.

How much time does it take for the package to reach the ground? [Hint: v_0 for the package equals the speed of the helicopter.]

1. 👍 0
2. 👎 0
3. 👁 144
1. h=vi*t-1/2 g t^2 solve for t.

1. 👍 0
2. 👎 0
2. 6.17m/s

1. 👍 0
2. 👎 1
posted by NIck

## Similar Questions

1. ### Physics

A helicopter is ascending vertically with a speed of 5.00 m/s. At a height of 120 m above the Earth, a package is dropped from a window. How much time does it take for the package to reach the ground? v_0 for the package equals

asked by Cara on September 8, 2009
2. ### physics

A helicopter is ascending vertically with a speed of 5.03m/s . At a height of 132m above the Earth, a package is dropped from the helicopter. How much time does it take for the package to reach the ground?

asked by aaron on September 4, 2013
3. ### physics

a helicopter is ascending vertically with a speed of 5.20 m/s. at a height of 100 m above the Earth, a package is dropped from a window. how much time does it take for the package to reach the ground ? (hint: v0 for the package

asked by henry on April 15, 2012
4. ### Physics

A helicopter is ascending vertically with a speed of 4.50 m/s. At a height of 65 m above the Earth, a package is dropped from a window. How much time does it take for the package to reach the ground? [Hint: The package's initial

asked by Megan on February 1, 2011
5. ### intro. to physics

a helicopter is ascending vertically with a speed of 5.20 m/s. at a height of 100 m above the Earth, a package is dropped from a window. how much time does it take for the package to reach the ground ? (hint: v0 for the package

asked by emilia on April 15, 2012
6. ### physics

a helicopter is ascending vertically with a speed of 5.20 m/s. at a height of 110 m above the Earth, a package is dropped from a window. how much time does it take for the package to reach the ground ? (hint: v0 for the package

asked by mary on April 15, 2012
7. ### physics

A helicopter is ascending vertically with a speed of 6.50 m/s. At a height of 55 m above the Earth, a package is dropped from a window. How much time does it take for the package to reach the ground? [Hint: The package's initial

asked by John on September 9, 2010
8. ### physics

A helicopter is ascending vertically with a speed of 4.50 m/s. At a height of 195 m above the Earth, a package is dropped from a window. How much time does it take for the package to reach the ground? [Hint: The package's initial

asked by Chasity on August 27, 2012
9. ### phy

A helicopter is ascending vertically with a speed of 5.50 m/s. At a height of 155 m above the Earth, a package is dropped from a window. How much time does it take for the package to reach the ground? [Hint: The package's initial

asked by ami on August 26, 2010