Calculate the value of 'g' on the Moon,if its mas is `7.4xx10^22`kg and radius is 1740 km.

Calculate the escape velocity on the surface of the Moon given the mass and radius of the Moon to be 7.34xx10^(22) kg and 1.74xx10^(6)m respectively.

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.

Calculate the escape velocity on the surface of the Moon given the amss and radius of the Moon to be 7.4xx10^22 kg and 1.74xx10^6 m respectively

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

Calculate the de Broglie wavelength of proton, if its speed is 10^7 cm//s . Given: mass of proton = 1.67 xx 10^-27 kg .

Calculate the gravitational force due to the Earth on Mahendra,if mass of Earth is 6xx10^24 kg,Radius is 6.4xx10^6m,g=9.77m//s^2 and mass of Mahendra is 75 kg .

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.

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) .

Calculate the acceleration due to gravity on the surface of moon if mass of the moon is 1/80 times that of the Earth and diameter of the moon is 1/4 times that of the Earth.

Solve the following examples / numerical problems: The masses of the earth and the moon are 6 xx 10^24 kg and 7.4 xx 10^22 kg, respectively. The distance between them is 3.84 xx 10^5 km. Calculate the gravitational force of attraction between the two use G = 6.7 xx 10^-11 N-m^2 kg^-2.