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A rocket accelerates at a rate of 30 m/s¶ for 2 minutes. What is its change in velocity?

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โˆ™ 2012-05-10 14:58:11
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Q: A rocket accelerates at a rate of 30 ms for 2 minutes What is its change in velocity?
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A rocket accelerates at a rate of 30 ms2 for 2 minutes What is its change in velocity?

Well, 30 m per second squared means that for every second the change in velocity delta v is 30 mps. Thus, in two minutes, or 120 seconds, the change is 30*120 = 3600 mps.

How can a rocket change its velocity?

It has to use energy to change velocity.

What is the force that accelerates a rocket called?


Describe How newtons third law of motion relates to the movement of rockets?

The products of the burning fuel are ejected from the rocket at high velocity. In accordance with Newton 's Third Law, this action generates an equal and opposite reaction on the rocket. The forward forward force acting on the rocket accelerates it.

What do you mean by effective jet velocity of a rocket?

Effective jet velocity of a rocket is the increased velocity of a rocket in a short span of time. It is achieved with the use of either solid or liquid propellants.Ê

How momentum cause rocket propulsion and how rocket accelerates in space vacuum?

If we start from newtons third law, we can get the idea of action and reaction is equal and opposite It is its' fuel ejection that enables the rocket to fly forward. P=MV But here mass is decreasing due to the consumption of fuel thus, we are now flying at P= (M-m)V WHERE M grater than (M-m) hence the rocket clearly is moving at a constantly decreasing mass with constant velocity. therefore it clearly accelerates as time goes. Samuel

Why the space rockets are generally launched from the west to east?

Since, the earth revolves from west to east so when the rocket is launched from west to east the relative velocity of rocket becomes velocity of rocket + velocity of earth. Thus, velocity of rocket increases which helps ti to rise without much consumption of fuel.

How is it possible for a rocket to propel itself through space?

This is possible via the conservation of momentum. A rocket ejects matter from its back and this matter carries momentum. To conserve momentum the rocket must gain an equal amount of momentum in the opposite direction. Since momentum is related to velocity this causes the rocket to move. This is basically an application of Newton's third law. You might have been confused with the situation in air. For example an airplane moves through air by pushing air past it (using its propeller). This accelerates the air, and thus increases its momentum. The airplane must therefore gain momentum in the opposite direction, and accelerates itself as well. The only difference between the airplane and the rocket is that the rocket carries the stuff it accelerates (and ejects) while the airplane can use the air that is already present all around it. Note that while this is the basic explanation, the situation with the rocket is made somewhat more complicated by the fact that as the rocket loses fuel it also loses momentum because momentum is velocity times mass and the lost fuel lowers the mass of the rocket. You might want to look up Tsiolkovsky's rocket equation if you want more information.

What is the velocity a rocket needs to reeach to orbit in space called?

Escape velocity.

Why rockets are launched into space using jet propulsion where exhaust accelerates out from the rocket and the rocket accelerates in an opposite direction?

Rockets are convenient for space travel. Aircraft use the air to hold them up, but spacecraft travel beyond the Earth's atmosphere.

How does a rocket travel?

By expelling hot gasses extremely fast from the rocket nozzle. Due to the conservation of momentum, expelling mass at high velocity causes the rocket to gain momentum and therefore velocity.

Stages of a rocket going into space?

The stages of a rocket going into space: The first stage of a rocket is used to acquire the acceleration of a rocket. When the fuel of the first stage is exhausted ,it detaches from the rockets and drops off. The velocity at this stage becomes the initial velocity of the second stage .Now the second stage is ignited ,the rocket gains acceleration and it's velocity foes on increasing . The removal of the surplus mass contained in the first stage helps in attaining the higher velocity .When the fuel of the second stage is exhausted ,it too detached from the rocket .Finally at the third stage , the rocket starts off with the required velocity.

Does the escape velocity of a rocket depend on its mass?


How does a rocket get out of earths orbit?

surely a rocket or artificial satellite can get out with help of escape velocity....

How does a rocket stay in orbit or continue into outer space?

The gravitational pull of Earth is the main factor that a rocket must overcome. A rocket must reach a certain velocity or speed and direction to orbit or escape the Earth. For a rocket to orbit the Earth, it must have enough thrust to reach orbital velocity. Orbital velocity is the speed and direction a rocket must travel in order to orbit a planet or a moon. The lowest possible speed a rocket my go and still orbit the Earth is about 8km/sec. If the rocket goes any slower, it will fall back to Earth.For a rocket to travel beyond Earth orbit, the rocket must achieve escape velocity. Escape velocity is the speed and direction a rocket must travel to completely break away from a planet's gravitational pull. The speed a rocket must reach to escape the Earthis about 11km/sec.

The velocity a rocket must reach to establish an orbit around earth is called?

Escape velocity.

Does rocket leave earth with a escape velocity?


A rocket of initial mass m0 is shot vertically upward Assume that the motion occurs under constant gravitational acceleration g Let the initial velocity of the rocket on the surface of the earth be?

the initial velocity of the rocket is zero.

How does newtons third law explain how a rocket accelerates?

If a rocket pushes the burning gases towards the Earth, then - according to Newton's Third Law - those same gases push the rocket away from Earth.

The velocity a rocket must achieve in order to establish an orbit around Earth is called?

Orbital velocity, or Close orbital velocity.

A rocket ship leaves earth's atmosphere its initial velocity is less than its final velocity which is this an example of?

positive acceleration

If a rocket initially at rest accelerates at a rate of 50 ms2 for one minute its speed will be?


What makes a rocket move forward in Roblox?

The way rockets work is by modifying the velocity and body-gyro of the rocket brick. In simplified terms, after thee rocket is "created" the script detects and saves the direction the rocket is pointing.The script uses the body gyro to lock the rocket brick in the said direction and suspend the rocket in the air; then it modifies the velocity to propel the rocket forward.

Why does a rocket accelerate upward?

A rocket accellerates in whatever direction it's pointed. Another way to put this is to say that a rocket accelerates in the opposite direction of its engine exhaust. See Newton's 2nd law of motion.

The velocity of a rocket must reach to fly beyond planets or moons gravitational pull?

The "Escape Velocity".

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