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A space-ship is stationed on Mars. How m...

A space-ship is stationed on Mars. How much energy must be expended on the spaceship to rocket it out of the solar system ? Mass of the spaceship `= 1000 kg`, Mass of the sun `= 2 xx 10^(30) kg`. Mass of the Mars `= 6.4 xx 10^(23) kg`, Radius of Mars `= 3395 km`. Radius of the orbit Mars `= 2.28 xx 10^(11) m, G = 6.67 xx 10^(-11) N m^(2) kg^(-2)`.

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A spaceship is stationed on Mars. How much energy must be expended on the spacesship to rocket it out of the solar system ? Mass of the spaceship 1000 kg, mass of the sun= 2xx10^(30) kg, mass of Mars= 6.4xx10^(23) kg, radius of Mars 3395 km, radius of the orbit of Mars = 2.28xx10^(8) Km, G= 6.67xx10^(-11)Nm^(2)Kg^(-2).

Calculate the mass of sum if the mean radius of the earth's orbit is 1.5xx10^(8)km and G=6.67xx10^(-11)Nxxm^(2)//kg^(2)

Mass of mars is 6.42xx10^(29) kg and mass of the sun is 1.99xx10^(30)kg . What is the total mass?

Calculat the binding energy of the - sum system . Mass of the earth =6xx 10 ^(24) kg , mass of the sun = 2 xx 10^(30) kg, distance between the earth and the sun = 1.5 xx 10^(11) and gravitational constant = 6.6 xx 10 ^(-11) N m^(2) kg^(2)

Find the magnitude of the gravitational force between the Sun and the earth. (Mass of the Sun =2xx10^(30) kg, mass of the earth =6xx10^(24)kg and the distance between the centres of the Sun and the earth =1.5xx10^(11)m , (G=6.67xx10^(-11)N.m^(2)//kg^(2))

The radius of the moon is 1.7 xx 10^(6) m and its mass is 7.35 xx 10^(22) kg . What is the acceleration due to gravity on the surface of the moon ? Given G = 6.67 xx 10^(-11) Nm^(2) kg^(-2).

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A satellite orbits the earth at a height of 400 km, above the surface. How much energy must be expended to rocket the satellite out of the earth's gravitational influence ? Mass of the satellite=200 kg, mass of the earth= 6.0xx10^(24) kg, radius of the earth= 6.4xx10(6) m, G= 6.67xx10^(-11)Nm^(2)Kg^(-2) .

Calculate the gravitational potential energy of a body of mass 30 kg , at a height of 4 R from the surface of Earth, where R (= 6.4 xx 10^(6) m) is the radius of the Earth. Mass of the Earth = 6.0 xx 10^(24) kg, G = 6.67 xx 10^(-11) Nm^(2) kg^(-2) .

NN GHOSH-GRAVITATION-EXERCISE
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  2. Calculate the acceleration due to gravity on the earth 's surface...

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  3. With what velocity would a shell have to be projected horizontal...

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  4. With what velocity must a body be projected vertically upwards from...

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  5. Compare the minimum velocity with which a particle must be...

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  6. Calculate the mass and mean density of the earth from the following da...

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  7. How many hours would make a day if the earth were rotating at such a h...

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  8. The mass of Mars is one - tenth that of the earth and its diamet...

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  9. Calculate the escape speed of an atmospheric particle which is...

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  10. Two masses, 800 kg and 600 kg, are at a distance 0.25 m apart. Compute...

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  11. A man can jump vertically to a height of 1.5 m on the earth. Calculate...

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  12. A body weights 20 kg on the surface of the earth . What will be its i...

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  13. Find the self gravitationl potential of (a) a thin unifrom spherica...

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  14. A projectile is fired vertically from the earth's surface with an init...

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  15. A short , straight and frictinless tunnel is bored through the centr...

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  16. Two particle of mass m and M are initially at rest at inifinte ...

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  17. Three identical particles each of mass "m" are arranged at the corner...

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  18. An iron ball o fradius 1 m and density 8000 kg m^(-3) is placed in ...

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  19. A particles is fired vertically from the surface of the earth with a...

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  20. Calculate the pressure caused by gravitational copmression at the cen...

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