Water flows at 5.0rm lrm s through a horizontal pipe that, Ask an Expert

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Q1. Water flows at 5.0;{rm L}/{rm s} through a horizontal pipe that narrows smoothly from 10 cm diameter to 5.0 cm diameter. A pressure gauge in the narrow section reads 50 kPa. What does the other pressure gauge read?

Q2. Determine the distance between Polaris and Earth in Meters. Polaris is 431 ly from Earth. The speed of light is 3.0 x 10^8 m/s.

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