What are the conditions under which a rocket fired from the earth, launches an artificial satellite of earth?

What is artificial satellite?

What are the conditions under which a body can stay in a state of rest.

Give the conditions under which a force is called Conservative force.

Mention two conditions under which PS I functions.

State the condition under which V(X+ Y) = V(X) + V(Y) ?

Predict conditions under which Al might be expected to reduce MgO.

Write the condition under which three numbers a,b,c may be in A.P and G.P both.

A body weighs 63 N on the surface of the earth. What is the gravitational force on it due to the earth at a height equal to half the radius of the earth?