A) Water moves in a pipe that has a diameter of 35 cm at 1 m/s, but then the pipe reduces to a diameter of 6 cm. Find the velocity of the water in the smaller portion of the pipe. B) Water in a hose with an area of 144 mm2 moves at 1 m/s, but then you cover part of the opening of the hose with your finger, and the water shoots out faster at 27 m/s . Find the area of the opening between your finger and the end of the hose in mm2. Note: you can leave the areas in mm2 since they'll cancel out.   C) Water moves in a pipe from the ground up to a height of 17 m. At the bottom of the pipe the water has a velocity of 2 m/s. As the pipe goes up it reduces in diameter and at the top of the pipe it has a velocity of 8 m/s and a pressure of 240000 Pa. Find the necessary pressure at the bottom of the pipe to deiver the water to the top.  (density of water = 1000 kg/m3

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Chapter1: Units, Trigonometry. And Vectors
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help with three part question 

A) Water moves in a pipe that has a diameter of 35 cm at 1 m/s, but then the pipe reduces to a diameter of 6 cm. Find the velocity of the water in the smaller portion of the pipe.

B) Water in a hose with an area of 144 mm2 moves at 1 m/s, but then you cover part of the opening of the hose with your finger, and the water shoots out faster at 27 m/s . Find the area of the opening between your finger and the end of the hose in mm2.

Note: you can leave the areas in mmsince they'll cancel out.  

C) Water moves in a pipe from the ground up to a height of 17 m. At the bottom of the pipe the water has a velocity of 2 m/s. As the pipe goes up it reduces in diameter and at the top of the pipe it has a velocity of 8 m/s and a pressure of 240000 Pa. Find the necessary pressure at the bottom of the pipe to deiver the water to the top.  (density of water = 1000 kg/m3 )

Note: it will be a big number

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