Physics (AS & A Level) · Oct / Nov 2022 · Paper 13 · Question 14
Water is pumped through a nozzle at the end of a hose. The nozzle has a circular cross-section of diameter 50 mm. A mass of 100 kg of water takes a time of 2.0 s to move through the nozzle. The density of water is 1000 kg m–3. What is the speed of the water in the nozzle?
- A6.4 m s–1
- B13 m s–1
- C25 m s–1
- D51 m s–1
As printed in the paper
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Correct answer: C. 25 m s–1
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