Rockets or launch vehicles, Science

Assignment Help:

Rockets or Launch Vehicles:

Every flight into space begins with a rocket launching. The rocket can lift a satellite or spaceship  carrying human beings and equipment into space. Therefore,  it is also called launch vehicle. The rocket has been known to mankind  for centuries. Rockets used as firecrackers are a common sight on festive occasions  in our country. But the rockets that launch space whicles use highly advanced technology, and, of course, they are far more  

 

2479_Rockets or Launch Vehicles.png

When  the  fuel  in the rocket is set tofire, a stream of hot gases is expelled at a high speed from its rear end (Fig).  As  ireaction to  the thrust of  the,gases,  the rocket moves in the opposite direction. As  long as the  fuel  in the rocket burns, shooting out gases, the rocket continues to accelerate forward, and acquires great speed. No single  rocket fired  from the earth can attain in one go the high speeneeded  to orbit the earth, or to escape its pull. Higher speeds are  reached by using big and small rockets, in stages. in the launch vehicle. As  the large rocket soars into space and uses up its fuel, lt IS separated from the smaller  rocket and drops off. The smaller  rocket already going at high speed is  then fired to accelerate  it to an even higher speed. Three-stage rockets are usually able to achieve speeds suitable for most purposes in  space (Fig). The final stage of  the launch vehicle carries the payload. Activity Verify the principle of  rocket motion by  releasing an inflated  balloon with its neck open. The different kinds of  payloads that rockets carry into space include artificial  satellites and space probes to nearby heavenly bodies. The satellites and probes themselves carry communication and research Quipment.  

 


Related Discussions:- Rockets or launch vehicles

Science, hi can you help me on my science

hi can you help me on my science

help, Why marbles rarely contain fossil

Why marbles rarely contain fossils

Adolescence, Adolescence: Mind and Body, you have already studied that ...

Adolescence: Mind and Body, you have already studied that certain hormones are essential  for proper physical development of an  individual. Around the age of  12,  starts a pe

Trans power and channel loss, Trans power : 20dBm Channel loss = 60dB We kn...

Trans power : 20dBm Channel loss = 60dB We know that Received power (dBm) = Tx Power (dBm) + Tx Antenna Gain (dBi) + Rx Antenna Gain (dBi) - loss (db) as Tx and Rx antenna gains ar

Explain the inulin clearance test, Explain the Inulin Clearance Test In...

Explain the Inulin Clearance Test Inulin is a complex polysaccharide found in specific plant roots. In the test, a fixed amount of inulin is infused into the blood at a constan

In what way is crop rotation good for soil management, In what way is crop ...

In what way is crop rotation good for soil management? Continuous cultivation of a single crop over the years on the same site causes accumulation of a particular group of micr

Origin of agriculture and civilisation, The Origin of Agriculture and Civil...

The Origin of Agriculture and Civilisation : There is no historical evidence to tell us exactly how agriculture arose.  We can only imagine what may have happened. Cultivatio

Explain role of the mucous in body systems and organs, Explain Role of the ...

Explain Role of the Mucous in Body Systems and Organs - The gastrointestinal tract: The microbes which enter through the mouth are caught in the mucous and eliminated with sput

Respiration, Respiration:  Food +  oxygen ->  carbon dioxide + water + ...

Respiration:  Food +  oxygen ->  carbon dioxide + water +  energy  Food is not only a source of energy, but also the nutrients used to build up the organisms' bodies. So we

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd