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 : 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: 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: How many calories of heat will be absorbed when 3 kg of ice at 0⁰ C melts ?

Solve the following examples/numerical problems : If the height of a satellite completing one revolution around the earth in T seconds in h meters , then what would be the height of a satellite taking 2 √2 T seconds for one revolutions?

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 ?