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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?

एका वाक्यात उत्तर
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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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पाठ 5: Gravitation - Exercises [पृष्ठ ९७]

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

संबंधित प्रश्‍न

Consider earth satellites in circular orbits. A geostationary satellite must be at a height of about 36000 km from the earth's surface. Will any satellite moving at this height be a geostationary satellite? Will any satellite moving at this height have a time period of 24 hours?


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


Two satellites A and B move round the earth in the same orbit. The mass of B is twice the mass of A.


At what rate should the earth rotate so that the apparent g at the equator becomes zero? What will be the length of the day in this situation?


A satellite of mass 1000 kg is supposed to orbit the earth at a height of 2000 km above the earth's surface. Find (a) its speed in the orbit, (b) is kinetic energy, (c) the potential energy of the earth-satellite system and (d) its time period. Mass of the earth = 6 × 1024kg.


Find the minimum colatitude which can directly receive a signal from a geostationary satellite.


State the conditions for various possible orbits of satellite depending upon the horizontal/tangential speed of projection.


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


Answer the following question in detail.

Why an astronaut in an orbiting satellite has a feeling of weightlessness?


Answer the following question in detail.

Obtain an expression for the critical velocity of an orbiting satellite. On what factors does it depend?


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


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.


A planet has mass 6.4 × 1024 kg and radius 3.4 × 106 m. Calculate the energy required to remove an object of mass 800 kg from the surface of the planet to infinity.


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.


Solve the following problem.

What is the gravitational potential due to the Earth at a point which is at a height of 2RE above the surface of the Earth?
(Mass of the Earth is 6 × 1024 kg, radius of the Earth = 6400 km and G = 6.67 × 10–11 N m2 kg–2)


Two satellites A and B go round a planet P in circular orbits having radii 4R and R respectively. If the speed of the satellite A is 3v, the speed of satellite B is ____________.


Two satellites of masses m1 and m2 (m1 > m2) are revolving round the earth in circular orbit of radii r1 and r2 (r1 > r2) respectively. Which of the following statements is true regarding their speeds v1 and v2?


Assuming that the earth is revolving around the sun in circular orbit of radius 'R', the angular momentum is directly proportional to rn. The value of 'n' is ______.


Two satellites of masses m and 4m orbit the earth in circular orbits of radii 8r and r respectively. The ratio of their orbital speeds is ____________.


If a body weighing 40 kg-wt is taken inside the earth to a depth to `1/2` th radius of the earth, then the weight of the body at that point 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 satellite is revolving in a circular orbit around the earth has total energy 'E'. Its potential energy in that orbit is ______.


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 ______.


Satellites orbiting the earth have finite life and sometimes debris of satellites fall to the earth. This is because ______.


A satellite is revolving around a planet in a circular orbit close to its surface and ρ is the mean density and R is the radius of the planet, then the period of ______.

(G = universal constant of gravitation)


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 ______.


What is the approximate period of revolution for the Moon, Earth's only natural satellite?


Artificial satellites are launched for all the following purposes EXCEPT:


Which of the following is the only natural satellite of the Earth?


Which application is mainly associated with polar satellites?


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