Mass of a body is doubled. What happens to its acceleration under a given force?

If K.E of a body is doubled,what happens to its momentum?

The velocity of a body is doubled. What happens to its momentum?

If the mass of a body and the force acting on it are both doubled, what happens to the acceleration ?

What mass of a body can attain an acceleration of 5 ms^(-2) under a force of 250N ?

Distance between two bodies is double. What happens to gravitational force of attraction between them ?this force is to be kept unchanged, how should mass of one of the bodies be changed?

The speed of revolution of a particle around a circle is halved and its angular speed is doubled what happens to the radial acceleration ?

The speed of a body moving in uniform circular motion is doubled and the radius of the circular path is halved. What happens to the centripetal force?