Selena uses a garden hose to fill a bucket of water. the water enters the hose through a faucet with a 6.0 cm diameter.
the speed of the water at the faucet is 5/ms.

if the faucet and nozzlw are at the same height, and the water leaves the nozzle with a speed of 20 m/s, what is the diameter of the nozzle?