A woman lifts her 120 newton child up one meter and carries her for a distance of 50 meters to the child's bedroom. How much work does the woman do?

You are sitting on the beach and wondering about the properties of mechanical waves. describe them in terms of ocean waves.

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

Frank just graduated from eighth grade. assuming exactly four years from now he will graduate from high school how many seconds does he have until his high school graduation