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It depends on the motor. They are all rated in power and length of 'burn'

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Q: How long does the thrust last when a rocket is launched?
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How could a toy rocket accelerate after takeoff?

As long as the thrust is more than the weight of the rocket (toy or otherwise) the rocket will accelerate. When the thrust matches the weight, the rocket will cruise. When the thrust is less then the rocket will slow.


How much thrust does a rocket need to get to outer space?

Any amount of thrust greater than the total weight of the complete vehicle is enough to do the job, if the thrust lasts long enough and points in the right direction.


How long does a model rocket motor last?

Provided they are kept in a dry, cool, and stable environment, they should last indefinitely. The ingredients are non-volatile, so they do not really degrade over time. If you want to know how long they burn for, you need to look at the rating on the side of the rocket. A higher thrust number means that it will burn for a shorter amount of time. Most small model rocket engines burn for 3 to 5 seconds.


When did china first launch a rocket into space?

In 24 April 1970, China launched Dong Fang Hong I satellite, on a Long March 1 Rocket


A rocket will move upward as long as the thrust is greater than the force of gravity?

Actually for some time even after the thrust is no longer greater than gravity. When the rocket's thrust is greater than gravity, it will be accelerating (its velocity upwards will increase). When the rocket's thrust is no longer greater than gravity, at that moment it will still have an upward velocity, so it will still travel upwards - it will only travel more and more slowly upwards as gravity starts to sap the rocket's upward velocity towards zero. Once its velocity reaches zero, if gravity is still winning over the rocket's thrust (if any), then it will start to fall back towards the ground.We are assuming a simplistic model (no air resistance, no super-unlucky collisions with meteors, etc.), but this is the basic idea.


What is the difference between a space shuttle and a rocket?

Answer The Space Shuttle is a rocket. By definition, a Rocket is a vehicle that burns gas that it carries with it. Where as, a jet airplane burns the oxygen from the air and is not a rocket. The Rocket when it is launched has a liquid fuel rocket engines at the back end of it. It also has two long, solid fuel rocket engines that separate after launch. But the space shuttle is pulled by a rocket.


Can you escape a black hole?

By building a machine that travels through space (like a rocket), and fly it against the direction of the Black Hole. For as long as the thrust of your rocket is above the gravitational pull of the Black Hole, you are away.


Why are rockets so long?

they are so long because the launcher loacated in the back is taking up half of the whole rocket and when it gets launched into space the launchers that carry the fire let go from the rocket and soit is only large when it is launching


How much thrust does it take to take off from earth into space?

Any amount of thrust that's greater than the weight of the rocket vehicle will lift it off of the ground and accelerate it upward. If you keep it up long enough, the vehicle will be in space.


How does newton's first law realte to rocket movement?

Newton's first law, which dictates that objects will maintain their current states of stillness or motion unless acted upon, affect rockets in two ways.First, it establishes the need to exert a massive force to get a rocket off the ground: not only to simply get moving but also the overcome the force of gravity being exerted on the rocket while on the ground.Second, it explains why rockets do not need so much thrust once they do get into space. According to the first law, as long as the rocket doesn't have to alter its speed or direction, it doesn't need to exert any more force. This is why space-bound vessels are calculated on such careful trajectories--to allow for their natural tendencies of motion to carry them to their destinations.


How long can a rocket last with full power?

till fuel lasts. they are using algae


What are balloon rockets made out of?

1 balloon (round ones will work, but the longer "airship" balloons work best)1 long piece of kite string (about 10-15 feet long)1 plastic strawtapeTie one end of the string to a chair, door knob, or other support.Put the other end of the string through the straw.Pull the string tight and tie it to another support in the room.Blow up the balloon (but don't tie it.) Pinch the end of the balloon and tape the balloon to the straw as shown above. You're ready for launch.Let go and watch the rocket fly!.So how does it work? It's all about the air...and thrust. As the air rushes out of the balloon, it creates a forward motion called THRUST. Thrust is a pushing force created by energy. In the balloon experiment, our thrust comes from the energy of the balloon forcing the air out. Different sizes and shapes of balloon will create more or less thrust. In a real rocket, thrust is created by the force of burning rocket fuel as it blasts from the rockets engine - as the engines blast down, the rocket goes up!