Asked by Layla

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?
Answered by oobleck
as in the previous post,
A*r is constant.
d^2 * 380 = 1.7^2 * 58
Answered by Layla
thanks. what is the unit
Answered by oobleck
naturally, it's rate of flow: cm^2 * cm/s = cm^3/s
Answered by Anonymous
whats d2?
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