Problems in which water is flowing via a canal/pipe into a field/tank

When a pipe, through which water is flowing out, is partially closed with a finger, the water stream coming out falls to a greater distance from the pipe. Why?

A farmer connects a pipe of internal diameter 20cm from a canal into a cylindrical tank in her field,which is 10 m in diameter and 2 m deep.If water flows through thr pipe at the rate of 3 km/h,in how much time will the tank be filled?

A farmer connects a pipe of internal diameter 20 cm from a canal into a cylindrical tank in her field which is 10 m in diameter and 2 m deep. If water flows through the pipe at the rate of 3 km// h, in how much time will the tank be filled ?

A farmer connects a pipe of internal diameter 20cm from a canal into a cylindrical tank in her field , which is 10m in diameter and 2m deep. If water flows through the pipe at the rate of 3km/h, in how much time will the tank be filled ?

A farmer connects a pipe of internal diameter 20 cm from a canal into a cylindrical tank in her field, which is 10 m in diameter and 2 m deep. If water flows through the pipe at the rate of 3 km/h, in how much time will the tank be filled?

A farmer connects a pipe of internal diameter 20 cm from a canal into a cylindrical tank in her field, which is 10 m in diameter and 2 m deep. If water flows through the pipe at the rate of 3 km/h, in how much time will the tank be filled?

A farmer connects a pipe of internal diameter 20cm from a canal into a cylindrical tank in her field,which is 10m in diameter and 2m deep.If water flows through the pipe at the rate of 3km/h, in how much time will the tank be filled?