. A Force (in Newton) expressed in vector notation as is applied on a body and produces a displacement (in meter) in 4 seconds. Estimate the power.

Why is the energy that results from a roller coaster's position at the top of a hill referred to as potential energy?

Me with this and you will be marked brainliest

Scientists follow specific processes in order to determine valid explanations and conclusions from observations. david observed strange lights in the sky above his home outside of roswell, new mexico. the only explanation that makes sense to him is that there are ufos in the area. what should david do next to verify his explanation?