Water is flowing in a horizontal pipe of diameter d. if you want to change the diameter of this pipe so that the speed of the water would be half as great as it was, what should be the new diameter?

Which graph represents motion with an object with positive velocity that is located at a position of 3 meters at a time of 0 seconds? a) a b) bb eliminate c) c d) d

Although longitudinal waves can travel through all media types what is the disadvantage of this type of wave transmission? a) he efficiency of he wave transmission is greatly diminished as the media becomes less dense b) the oscillation of one set of particles has a huge impact on neighboring particles c) particles become too close together as they bump into each other making it more likely to hit other particles down the line

The ph is the a.independent variable b.the dependent variable c.control group