" A swimmer while jumping into water from height,easily forms a loop in the air so as to: "

A swimmer while jumping into water from a height easily forms a loop in air, if

How is the swimmer jumping into water from a height be able to make loop in air ?

Before jumping into water from a height, a swimmer bend his body to

Before jumping into water from a height, a swimmer bends his body to

How a swimmer jumping form a height is able to increase the number of loops made in the air ?

How a swimmer jumping from a height is able to increase the number of loops made in the air?

If speed of water in river is 4 m/s and speed of swimmer with respect to water is 3 m/s, then in which direction the swimmer must swim so that he will reach directly opposite end?