How do you find the velocity of a satellite orbiting the Earth?
The orbital speed can be found using v = SQRT(G*M/R). The R value (radius of orbit) is the earth’s radius plus the height above the earth – in this case, 6.59 x 106 m. Substituting and solving yields a speed of 7780 m/s. 5.
How do you calculate the energy of a satellite?
Total Energy of Satellite The total energy of the satellite is calculated as the sum of the kinetic energy and the potential energy, given by, T.E. = K.E. + P.E.
How do you calculate the gravitational potential energy of a satellite?
The kinetic energy of a satellite in a circular orbit is half its gravitational energy and is positive instead of negative. When U and K are combined, their total is half the gravitational potential energy. The gravitational field of a planet or star is like a well….solution.
| Ug = − | Gm1m2 |
|---|---|
| r |
What is the formula for orbital period?
Formula: P2=ka3 where: P = period of the orbit, measured in units of time. a = average distance of the object, measured in units of distance.
What is the velocity of satellite?
To stay in orbit, a satellite has to travel at a very high velocity, which depends on the height. So, typically, for a circular orbit at a height of 300 km above the Earth’s surface, a speed of 7.8 km/s (28,000 km/h) is needed. At this speed, the satellite will complete one orbit around the Earth in 90 minutes.
At what speed does a satellite travel?
about 7,000 mph
What is the G in physics?
In the first equation above, g is referred to as the acceleration of gravity. Its value is 9.8 m/s2 on Earth. That is to say, the acceleration of gravity on the surface of the earth at sea level is 9.8 m/s2. There are slight variations in the value of g about earth’s surface.
What is escape velocity of a satellite?
Escape velocity, in astronomy and space exploration, the velocity that is sufficient for a body to escape from a gravitational centre of attraction without undergoing any further acceleration. The velocity of escape from the less massive Moon is about 2.4 km per second at its surface.
At what height Earth gravity is zero?
0 m/s2
Can a bullet escape the atmosphere?
First, the bullet would never escape the earth’s atmosphere. This is because the escape velocity for any object is about 11.2km/sec. A gun muzzle can reach mere 1.7km/sec. So it has to come back.
Do rockets reach escape velocity?
Most satellites and spacecraft sent into space do not reach escape velocity! Space is usually considered to start at an altitude of 100 km (this is known as the Kármán line). If a rocket goes fast enough and high enough to enter space but does not reach escape velocity, it will enter orbit around the Earth.
Can you jump off the moon?
Although you can jump very high on the moon, you’ll be happy to know that there’s no need to worry about jumping all the way off into space. In fact, you’d need to be going very fast – more than 2 kilometres per second – to escape from the moon’s surface.
How fast is a rocket mph?
How fast can conventional rockets go?
| Flight Plan | speed required |
|---|---|
| Earth to LEO (low Earth orbit) | 17,000 mph |
| Earth to Earth escape | 24,200 mph |
| Earth to lunar orbit | 25,700 mph |
| Earth to GEO (geosynchronous Earth orbit) | 26,400 mph |
Why can’t a rocket go straight up?
Why do rockets curve when they fly into space instead of going straight up? A: If a rocket just flew straight up, then it would fall right back down to Earth when it ran out of fuel! Rockets have to tilt to the side as they travel into the sky in order to reach orbit, or a circular path of motion around the Earth.
Do rockets fly straight up?
The rocket begins by flying straight up, gaining both vertical speed and altitude. During this portion of the launch, gravity acts directly against the thrust of the rocket, lowering its vertical acceleration. The pitchover angle varies with the launch vehicle and is included in the rocket’s inertial guidance system.
Can a rocket carry humans?
Human spaceflight capability was first developed during the Cold War between the United States and the Soviet Union (USSR). On 5 May 1961, the US launched its first astronaut, Alan Shepard, on a suborbital flight aboard Freedom 7 on a Mercury-Redstone rocket.
Who invented rockets?
Robert Hutchings Goddard
What fuel do rockets use?
The petroleum used as rocket fuel is a type of highly refined kerosene, called RP-1 in the United States. Petroleum fuels are usually used in combination with liquid oxygen as the oxidizer.
Can you drink rocket fuel?
Enter Rocket Fuel. A Rocket Fuel contains enough alcohol (at least in theory) to take down even the most seasoned of drinkers, and enough sugar to sacrifice the following day to the Porcelain Gods. This makes it the drink of choice for many partygoers.
How dangerous is rocket fuel?
The fuel-oxidizer composite is dangerous, as it may explode even during shipping and installation. The fuel burns very rapidly in the rocket combustion chamber to generate the rocket propulsion force known as thrust. Once the solid fuel is ignited, the rocket motor cannot be shut off.
What happens if you put rocket fuel in a car?
Liquid hydrogen, the fuel that powered the space shuttle’s main engines, could work, says Manuel Martinez-Sanchez, an aeronautics and astronautics professor at the Massachusetts Institute of Technology. Rocket fuel is less efficient than gas, and it wouldn’t even make a car go any faster.
What is rocket fuel slang for?
PCP is one of several drugs known as hallucinogens. It can also work as a stimulant, an anesthetic, or a painkiller, depending on how much is taken. The name PCP is a short form of the drug’s chemical name. Some street names for PCP are Angel Dust, Supergrass, and Rocket Fuel.
What is wet?
1a : consisting of, containing, covered with, or soaked with liquid (such as water) b of natural gas : containing appreciable quantities of readily condensable hydrocarbons. 2 : rainy wet weather. 3 : still moist enough to smudge or smear wet paint.
What is Sherm?
A sherm, or shermstick, is the term that people use to refer to marijuana or tobacco cigarettes dipped in PCP, embalming fluid, or both. The name “sherm” was given to these PCP dipped cigarettes due to the fact that they look like brown paper Nat Sherman cigarettes.
What is the drug water?
“Water” is the street name for a cigarette or marijuana joint dipped in liquid PCP, a hallucinogen also known as phencyclidine, or in embalming fluid laced with PCP.