Calcule la presión que ejerce un bloque de aluminio, sobre el suelo, su densidad es de 2,200 Kg/m3  y posee un volumen de 1.6 m3 , en un área de contacto de 0.75 m2 con el suelo​

Standing side by side ,you and a friend step off a bridge at different times and fall for 1.6s to the water below. your friend goes first, and you follow after he has dropped a distance of 2.0m. when your friend hits the water, is the seperation between the two of you 2.0m or more than 2.0m? verify your answer with a calculation.

Awalk up the phase change graph worksheet

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