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Physics, 03.12.2019 03:00 goofy44

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 m/s. if the faucet and the nozzle 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?
i keep coming up with 4 cm. someone confirm my answer. if incorrect explain why.

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