A garden hose with a diameter of 1.7 cm has water flowing in it with a speed of 0.58 m/s. At the end of the hose is a nozzle. If the speed of water in the nozzle is 3.8 m/s, what is the diameter of the nozzle?

Answer 1

as in the previous post,
A*r is constant.
d^2 * 380 = 1.7^2 * 58

Answer 2

thanks. what is the unit

Answer 3

naturally, it's rate of flow: cm^2 * cm/s = cm^3/s

Answer 4

whats d2?