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What is the speed of a satellite that moves in an eliptical orbit around the earth?
If a satellite is in an elliptical orbit around the Earth, the Earth will be at one of the focii. The speed of the satellite will then constantly be changing. It will move the fastest when it is nearest to the Earth (perigee) and slowest when it is furthest away (apogee).
A satellite in an elliptical orbit gains speed when it?
A satellite in an elliptical orbit gains speed when it moves closer to the body it is orbiting due to the conservation of angular momentum. This increase in speed occurs as the gravitational force from the body pulls the satellite inwards, causing it to accelerate.
A satellite in an elliptical orbit travels at constant what?
If the path is perfectly circular, yes, the speed is constant. This should not be confused with the velocity, because while speed is constant, its direction is not; therefore velocity is always changing.
What can you infer about the linear velocity of a satellite in an elliptical orbit as it travels from perigee to apogee?
The linear velocity of a satellite in an elliptical orbit increases as it moves from perigee (closest point to Earth) to apogee (farthest point from Earth) because the gravitational pull is weaker at apogee, causing the satellite to speed up. At perigee, the satellite moves faster due to the stronger gravitational pull from Earth.
Why does the speed of a satellite undergo change in an elliptical orbit?
The speed of a satellite changes in an elliptical orbit because the satellite moves faster when it is closer to the central body due to gravitational acceleration, and slower when it is farther away. This change in speed is necessary to balance the varying gravitational force experienced by the satellite at different points in its orbit.
Why do Satellites travel in a circular path?
Satellites orbit the Earth or other bodies due to a careful balance of their velocity and the gravitational attraction of the body. Essentially gravity pulls them down but their velocity moves then out (Newton's Fist Law of Motion) at the same rate. They keep missing the body they orbit.The path is not necessarily circular since the gravity over the Earth varies with the density of the ground below the satellite. They are also satisfied to be in an elliptical orbit (closer at some times than others). The moon is a good example of a satellite in an almost circular elliptical orbit. comets have wildly elliptical orbits.
At what part of an elliptical orbit does a satellite have the greatest speed the least speed?
in the orbit of a planet there is a point called perihelion which is closest point to the sun and aphelion which is furthest from the sun . Moment of a planet in it's elliptical orbit reaches it's maximum in perihelion
When a satellite orbits around the earth at constant speed it does what?
The earth's orbit around the sun is elliptical, so the earth moves at a constantly varying velocity as it moves closer to the sun (perihelion) or further away (aphelion). The earth's angular velocity (speed of movement) is considerably greater at perihelion than it is at aphelion. So in that sense, the earth orbits at a constantly varying speed. But there is a sense in which the earth orbits at constant speed. Similar segments of the elliptical orbit are crossed in similar lengths of time wherever the earth is in its orbital path. The earth gets through 10% of its path in the same length of time whether it is at aphelion (moving slowly) or perihelion (moving fast). The absolute speed at which the earth moves varies, but the rate at which it orbits is constant. ---- The realisation that the earth's orbit was both speed variant (absolute speed of motion) and speed constant (segment of elliptical orbit covered) was the crucial breakthrough that allowed Johannes Kepler to solve the longstanding problem of the regression of Mercury (why Mercury appears to go backward in its orbit some of the time). Discovering that the earth's orbit is elliptical (astronomers had always assumed orbits were based on perfect circles) was how Kepler showed finally that the earth goes around the sun (and not the other way around).
Draw a free body diagram of a satellite in an elliptical orbit showing why its speed increases as it approaches its parent body and decreases as it moves away?
In a free body diagram of a satellite in an elliptical orbit, the satellite experiences a gravitational force directed toward its parent body. As the satellite approaches the parent body, this gravitational force increases, causing the satellite to accelerate and thus increase its speed. Conversely, as the satellite moves away from the parent body, the gravitational force decreases, resulting in a deceleration and a reduction in speed. This change in velocity is a direct consequence of the conservation of angular momentum and the varying distance from the parent body during the orbit.
Is the moon speed constant?
The moon has an elliptical orbit around the Earth, although it is almost circular; when the moon is at the closest point to the Earth in its orbit, it moves the fastest, and when it is at the most distant point, it moves the slowest. But the variation is relatively small.
A satellite in an elliptical orbit loses speed when it?
A satellite in a closed orbit has the greatest speed when it's closest to the planet, and the lowest speed when it's farthest from the planet.
A satellite revolves around the earth with uniform speed is the motion of the satellite uniform or accelerated?
Accelerated. The concept of "uniform motion" is a mathematical abstraction, like an infinite plane. ALL mass in the universe is constantly being accelerated by gravitational forces from every other mass in the universe. Specifically, a satellite in orbit is constantly falling toward the Earth under gravity - but because of the inertia of the satellite, it is continually missing the Earth! In the absence of gravity, the satellite would proceed in a straight line tangent to its current elliptical orbit.
