Corey is riding his bike from Walmart, which is 650 meters from the school, to the movie theater, which is 450 m from the school. If this ride takes Corey 900 seconds, what was his average velocity in meters per second? The school is the reference
point. 

Is the alien theory a scientific claim? why or why not? just took the test it was , : " the alien theory is not a scientific claim because it is not based on valid data, there is no evidence to support it, and it does not come from a reliable source."

The free body diagram shows a box being pulled to the left up a 25-degree incline. the magnitude of the normal force is

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