(b) The ball is pulled back from the vertical and then released. It falls through a vertical
height of 1.6 m and strikes a wall.
crane
12 m
1.6m
Wall
Calculate the speed of the ball just before impact.

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

You've already seen the value of 9.8 in this lesson. what's this value called? what quantity does it represent?

Positive ions differ from neutral atoms in that