Solve the following examples/numerical problems :
Calculate the critical velocity (Vc) of the satellite to be located at 35780 km above the surface of the earth .

Solve the following examples/numerical problems : Calculate the critical velocity (Vc) of the satellite to be located at 2000 km above the surface of the earth?

Solve the following examples / numerical problems: Find the magnitude of the acceleration due to gravity at the surface of the earth. ( M= 6xx 10^24 kg, R= 6400 km)

Solve the following examples/numerical problems : If the mass of a planet is 8 times that of the earth and its radius is twice the radius of the earth , what will be the escape velocity for that planet?( Escape velocity for the earth=11.2 km/s)

Solve the following examples/numerical problems : If the mass of a planet is eight times the mass of the earth and its radius is twice the radius of the earth, what will be the ratio of the escape velocity on the earth to the escape velocity on the planet?

Solve the following examples / numerical problems: If the weight of a body on the surface of the moon is 100 N , what is its mass ?

Solve the following examples: (numerical problems) A body of mass 10 kg moves with a velocity of 5 m/s. Find its momentum.

Solve the following examples / numerical problems: The mass of a planet is four times that of the earth and its radius is double the radius of the earth. The escape velocity of a body from the earth is 11.2xx10^3 m/s. Find the escape velocity of a body from the planet.