Assuming the earth to be a uniform sphere of radius 6400 km and density `5.5 g cm^(-3)` , find the value of g on its surface . Given G = `6.66 xx 10^(-11) Nm^(2)kg^(-2)`

Assuming the earth of to be a uniform sphere of radius 6400 kg and density 5.5 g//c.c. , find the value of g on its surface G=6.66xx10^(-11)Nm^(2)kg^(-2)

If earth is taken as a sphere of radius 6400 km and mass 6xx10^(24) kg, what would be the value of g on the surface of earth ?

Determine the escape velocity of a body from the moon. Take the moon to be a uniform sphere of radius 1.76 xx 10^(6) m , and mass 7.36 xx 10^(22) kg . Given G=6.67 xx 10^(-11) Nm^(2) kg^(-2)

A satellite revolves in an orbit close to the surface of a planet of mean density 5.51 xx 10^(3) kg m^(-3) . Calculate the time period of satellite. Given G = 6.67 xx 10^(-11) Nm^(2) kg^(-2) .

Taking the earth to be a uniform sphere of radius 6400 km and the value of g at the surface to be 10ms^(-2) , calculate the energy needed to raise a satellite of mass 2000 kg to a height of 800 km a above the earth's surface and to set it into circular orbit at that altitude.

calculate the gravitaional intensity and graviational potential at a location which is from the surface of the Earth at a height 4 times the radius of the surface. R_(e) = 6400 km , G = 6.67 xx 10^(-11) Nm^(2) kg^(-2) , M_(e) = 6 xx 10^(24) kg .

Assuming earth to be a sphere of a uniform density, what is the value of gravitational acceleration in mine 100km below the earth's surface (Given R=6400km)

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).

A body is dropped in a hole drilled across diameter of the earth. Show that it executes SHM Asuume earth to be a homogenous sphere, find the time period of its motion. Given density of earth is 5.51 xx10^(3)Kgm^(-3) and G=6.67xx10^(-11)Nm^(2)kg^(-2)