Asingle conservative force fx = (6.0x − 12) n (x is in m) acts on a particle moving along the x axis. the potential energy associated with this force is assigned a value of +20 j at x = 0. what is the potential energy at x = 3.0 m?

The amount of potential energy possessed by an elevated object is equal to what?

Identify the type of heat transfer occurring when chocolate melts in your hand

The largest observatory complex in the world is on mauna kea, the tallest mountain on earth. what are some factors astronomers consider when selecting an observatory site? don’t forget practical ones. should astronomers, for example, consider building an observatory on denali (mount mckinley) or mount everest?