The easiest answer is that it allows everyone involved with all of the launch preparations to be able to get ready for certain deadlines that flight controllers need to meet to insure that the flight goes securely as planned.
Thrust, gravity and upthrust help launch a rocket.
it uses reverse thrusters
The cast of The Final Countdown - 2006 includes: Christina Wun as The Woman
The cast of Countdown To Collision - 2012 includes: Richard Hawley as Narrator
The cast of Fox Family Countdown - 1998 includes: Chris Leary as Host
Well, according to another website that I saw, the T stands for Time until launch. It was a website about rocket launches so I think I believe them!
rocket
it will become an air powered rocket
That is the correct spelling of the verb "launch" as in launching a rocket.
China is about to launch the country's largest rocket that is called the Long March 5. The China's rocket launching photos can be seen by doing an internet search.
name the two forces acting on the rocket immediately after leaving the launching pad
Thrust, gravity and upthrust help launch a rocket.
sriharikota
sri harikota
A blastoff is the countdown and launch of a rocket, missile, or spacecraft.
The M270A1 is a U.S. artillery rocket launching system used on the Mobile Launch Rocket System (MLRS).
The scientist in the rocket launching building in Mossdeep City.