Water runs out of a horizontal drain pipe at the rate of 1,200liters/minutes. It

Question

Water runs out of a horizontal drain pipe at the rate of 1,200liters/minutes. It fails 3.2 meters to the ground. Assuming the water doesn't splash up when it hits, what average force does it exert on the ground? 20 N 64 N 96 N 160 N 320 N 640 N Ans: The first law of thermodvnamics is most closely related to Conservation of energy The conservation of linear momentum Newton's second law None of the above Ans: During an isothermal process. a gas expands to twice its previous volume, the pressure in the gas Doubles 1 Triples Become larger by a factor of Stays the same None of the above Ans:

Explanation / Answer

4) (F = mvt; ; v=sqrt{2gh}) F = 160N 5) Conservation of energy 6) None of the above

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