Water, with a density of , flows in a horizontal pipe. in one segment of the pipe, the flow speed is . in a second segment, the flow speed is . what is the difference between the pressure in the second segment () and the pressure in the first segment

the motion of a pendulum is a classic example of mechanical energy conservation. a pendulum consists of a mass (known as a bob ) attached by a string to a pivot point. as the pendulum moves it sweeps out a circular arc, moving back and forth in a periodic fashion.

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the rearrangement of particles in a physical change. hope this

i dont have a visual in front of me, but i can you reason to try to get the right one. the graph should look like this, 0 to 6 there is a spike, 12 to 14 there should be a very low point. slight increase in the graph at 12 to 14, and flat 14 to 18

explanation: