What Happens To a Vortex in Zero G?

What happens to a cell lying in G1 phase?

A body is thrown vertically upwards ? Its velocity goes on decreasing. What happens to its kinetic energy as its velocity becomes zero ?

When a ball is thrown vertically upwards, its velocity goes on decreasing. What happens to its potential energy as its velocity becomes zero ?

What happens to the cell in G2 phase?

A boy gets into a floating boat ? (a ) What happens to the boat ? (b) What happens to the weight of water displaced ? What happens to the buyount force on the boat ?