If the force of gravitation between the Earth and an object of mass 'm' is `9xx10^7N`. Find the mass of an object if the mass ofhte Earth `6xx10^24`kg and its radius is `6.4xx10^6` m.

Determine the escape velocity of a planet with mass 3xx10^(25)"kg and radius" 9xx10^(6)m.

Complete the aology: 6xx10^24kg: mass of the Earth: : 6.4xx10^6 m______.

The gravitational force of attraction between Earth and Venus, if the distance between them is 2.5xx10^(7) km, is [mass of Venus = 4.8xx1^(24) kg, mass of the Earth =6xx10^(24) kg

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 6xx10^24 kg, radius of the Earth = 6400 km and G = 6.67xx10^(-11) Nm^2 kg^(-2) .

Determine the force of gravitational between the earth and a 60kg boy who is standing on the surface of earth (R_E = 6400 km, M_E = 6xx10^24 kg , G=6.67xx10^(-11) Nm^2//kg^2)

Calculate the value of acceleration due to gravity on the surface of Mars if the radius of Mars = 3.4 xx 10^3 km and its mass is 6.4 xx 10^23 kg.

Solve the following examples / numerical problems: 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 = 1.5xx 10^11 m, G =6.67 xx10^-11 N-m^2 /kg^2 ).

Gravitational force between two objects separated by 20 cm is 1.0xx10^(-8) N . If total mass of the two objects is 5.0 kg, then the mass of the objects in kg, are

Answer the following questions : Compare the gravitational force on a body of mass 1 kg due to the earth with the force on the same body due to another body of mass 1 kg at a distance of 1m from the first body. (Mass of the earth = 6xx10^24 kg, radius of the earth= 6400 km)

The mass of the earth is 6xx10^2 4kg.The distance between the Earth and the sun is 1.5xx10^11m.If the gravitational force between the two is 3.5xx10^22 N, What is the mass of the sun? g =6.7xx10^-11Nm^2//kg^2 .