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Hi, I'm really stuck on this problem and I don't know how to solve it. I have a syringe full of water laid horizontally at a height of 4,9 meters from the ground. I want to calculate the distance that the water coming out of the syringe travels before hitting the ground (it acts like a projectile). A pressure of 100 Pa is applied to the "back" of the syringe (the thing of the syringe that when pushed expels water). The diameter of the back is 1 cm whereas the diameter of the little exit at the front is 2 mm.

This is my strategy:

_{1}v_{1}= A_{2}v_{2 }so that I can find the ratios between the velocities.The problem is that I cannot find the final pressure in the Bernoulli's equation. What I mean by that is that I have this:

P

_{1}+ 1/2ρv_{1}^{2}+ ρgy_{1}= P_{2}+ 1/2 ρv_{2}^{2}+ ρgy_{2}_{1 }and ρgy_{2 }cancel out_{2}I need the final pressure P_{2}but I don't have it. How can I find it?Thanks! I appreciate any help that comes my way.

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