The picture shows a model of a magnetic levitation train. The train is suspended above the surface when it moves along its route and when it is at rest. When the train is stopped, which two forms of potential energy are exactly balanced? ​

In what direction does the medium move relative to the direction of the wave? explain.

Achemistry student needs of 40ml diethylamine for an experiment. by consulting the crc handbook of chemistry and physics, the student discovers that the density of diethylamine is 0.7 . calculate the mass of diethylamine the student should weigh out. round your answer to significant digits.

Asuppose a suitcase has a mass of (m) 30 kg and a net force (n) of 10 kg*m/s. what is the acceleration rate of the suitcasein m/s? show your work to support your answer.