A 5.0-kg box is given a brief push and travels 5.0 m up a plane that makes an angle of 30.0 A 5.00 x 10° N crate is at the top of a 5.00 m ramp. which is inclined at 20.0° with the horizontal. What is its potential energy? (g- 9.81 m/s?)
855 J
c. 815 J
b. 2350J
d. 8390 J

Part 1: a magnetic levitation or maglev train rides rails without touching them. explain how this works using your data. include the appropriate magnet drawing in your answer. part 2: two objects are near a bar magnet. one is about 1 cm away, while the other is 6 cm away. compare and contrast the magnetic force that affects each object. use your data to answer the question

Consider a hydrogen atom in the ground state. what is the energy of its electron? =e= jj now consider an excited‑state hydrogen atom. what is the energy of the electron in the =5n=5 level? =e5= j

This energy transformation diagram represents the energy of a skateboarder moving along a half-pipe. as she skates toward the top of the half-pipe, her original kinetic energy is converted to potential energy and friction. how much of the energy is potential?