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Answer the following question. What is periodic time of a geostationary satellite? - Physics

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प्रश्न

Answer the following question.

What is periodic time of a geostationary satellite?

एक पंक्ति में उत्तर

उत्तर

The periodic time of a geostationary satellite is same as that of the Earth i.e., one day or 24 hours.

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अध्याय 5: Gravitation - Exercises [पृष्ठ ९७]

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बालभारती Physics [English] 11 Standard Maharashtra State Board
अध्याय 5 Gravitation
Exercises | Q 2. (xi) | पृष्ठ ९७

संबंधित प्रश्न

Suppose there existed a planet that went around the sun twice as fast as the earth.What would be its orbital size as compared to that of the earth?


Is it necessary for the plane of the orbit of a satellite to pass through the centre of the earth?


No part of India is situated on the equator. Is it possible to have a geostationary satellite which always remains over New Delhi?


The time period of an earth-satellite in circular orbit is independent of


A pendulum having a bob of mass m is hanging in a ship sailing along the equator from east to west. When the ship is stationary with respect to water the tension in the string is T0. (a) Find the speed of the ship due to rotation of the earth about its axis. (b) Find the difference between T0 and the earth's attraction on the bob. (c) If the ship sails at speed v, what is the tension in the string? Angular speed of earth's rotation is ω and radius of the earth is R.


Answer the following question.

Define the binding energy of a satellite.


Derive an expression for the critical velocity of a satellite.


Draw a labelled diagram to show different trajectories of a satellite depending upon the tangential projection speed.


Derive an expression for the binding energy of a body at rest on the Earth’s surface of a satellite.


Describe how an artificial satellite using a two-stage rocket is launched in an orbit around the Earth.


Answer the following question in detail.

Two satellites A and B are revolving round a planet. Their periods of revolution are 1 hour and 8 hour respectively. The radius of orbit of satellite B is 4 × 104 km. Find radius of orbit of satellite A.


Solve the following problem.

Calculate the value of acceleration due to gravity on the surface of Mars if the radius of Mars = 3.4 × 103 km and its mass is 6.4 × 1023 kg.


Solve the following problem.

Calculate the value of the universal gravitational constant from the given data. Mass of the Earth = 6 × 1024 kg, Radius of the Earth = 6400 km, and the acceleration due to gravity on the surface = 9.8 m/s2.


There is no atmosphere on moon because ____________.


An aircraft is moving with uniform velocity 150 m/s in the space. If all the forces acting on it are balanced, then it will ______.


If a body weighing 40 kg is taken inside the earth to a depth to radius of the earth, then `1/8`th the weight of the body at that point is ______.


If the Earth-Sun distance is held constant and the mass of the Sun is doubled, then the period of revolution of the earth around the Sun will change to ____________.


Out of following, the only correct statement about satellites is ____________.


In the case of earth, mean radius is 'R', acceleration due to gravity on the surface is 'g', angular speed about its own axis is 'ω'. What will be the radius of the orbit of a geostationary satellite?


A geostationary satellite is orbiting the earth at a height 6R above the surface of the earth, where R is the radius of the earth. This time period of another satellite at a height (2.5 R) from the surface of the earth is ______.


Show the nature of the following graph for a satellite orbiting the earth. 

  1. KE vs orbital radius R
  2. PE vs orbital radius R
  3. TE vs orbital radius R.

An artificial satellite is moving in a circular orbit around the earth with a speed equal to half the magnitude of escape velocity from the earth. If the satellite is stopped in its orbit and allowed to fall freely onto the earth, the speed with which it hits the surface ______ km/s.

[g = 9.8 ms-2 and Re = 6400 km]


The ratio of binding energy of a satellite at rest on earth's surface to the binding energy of a satellite of same mass revolving around the earth at a height h above the earth's surface is ______ (R = radius of the earth).


Two satellites are orbiting around the earth in circular orbits of same radius. One of them is 10 times greater in mass than the other. Their period of revolutions are in the ratio ______.


Two satellites of same mass are orbiting round the earth at heights of r1 and r2 from the centre of earth. Their potential energies are in the ratio of ______.


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