Density of the earth is about...

Density of the earth is about

`1/(5.5)` times the density of water

2 times the density of water

5.5 times the density of water

10 times the density of water

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The time period of revolution of an artificial satellite in an orbit just outside the equatorial plane depends only on the mean density of the earth. Is this statement true or false ?

The acceleration due to gravity on the surface of the earth is 9.8 m*s^(-2) . The size of a planet is the same as that of the earth, but its density is twice the density of the earth. The value of the acceleration due to gravity on that planet is

If both the radius and the mean density of a planet are half the radius and the mean density of the earth, what will be the acceleration due to gravity on the surface of that planet ? Given that the acceleration due to gravity on the earth's surface =980 cm*s^(-2)

Statement I : Many great rivers flow towards the equator. The sediments that that they carry increase the time of rotation of the earth about its own axis. Statement II : The angular momentum of the earth about its rotation axis is conserved.

For what value of the angular velocity of the earth, the acceleration due to gravity in the equatorial region would have been zero ? The average density of the earth's material =5.5 g*cm^(-3) and G=6.67xx10^(-8) CGS unit. Find the ratio of this calculated value and the present value of the angular velocity of the earth.

The average density of the earth is 5500kg*m^(-3) the gravitational constant is 6.7xx10^(-11)N*m^2*kg^(-2) and the radius of the earth is 6400 km. Using the given values, find the magnitude of the acceleration due to gravity on the surface of the earth.

What is the relation between the mean density of the earth and G ?

If T is the period of revolution of an artificial satellite orbiting very close to the earth's surface and rho is the density of the earth, then show that rho T^2 is a universal constant.

CHHAYA PUBLICATION-NEWTONIAN GRAVITATION AND PLANETARY MOTION-EXERCISE (Multiple choice Questions)

Density of the earth is about
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A body of mass m is divided into two parts. The mass of one part is xm...
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Two bodies of masses m1 and m2 are initially at rest and infinite dist...
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Gravitational force is
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Two small but heavy spheres of mass M each are kept at a distance r o...
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Infinite number of masses, each of mass M , are placed along a straig...
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In the case of a freely falling spherical body , its acceleration due ...
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If the earth is assumed to be a sphere of radius R, the height above t...
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The mass of a planet is 4 times the mass of the earth and its radius i...
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The mass of the moon is 1/(80) th of that of the earth and the radius...
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If the diurnal motion of the earth ceases all on a sudden , then the v...
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Keeping the mass of the earth constant, if the radius of the earth is ...
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If the radius of the earth is R , the height above the surface of the ...
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If the change in the acceleration due to gravity (g) at an altitude h ...
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The acceleration due to gravity on the surface of the earth is 9.8 m*s...
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A rocket is projected vertically upwards from the surface of the eart...
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If one moves from the equator to the pole, the value of g
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If the radius of the earth were to shrink by 1% , its mass remaining ...
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If G is universal gravitational constant and g is acceleration due to ...
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At what altitude (h) above the earth's surface would the acceleration ...
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