. The velocity function (in meters per second) is given for a particle moving along a line. Find (a) the displacement, and (b) the distance traveled by the particle during the given time interval.

Alfred pushes on a heavy box, but cannot move it. the box has a lot of inertia motion friction gravity

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?

Which statement is the best definition of an atom? a) anything that has mass and occupies space. b) the smallest particle that has the properties of an element. c) a substance that cannot be broken down chemically into simpler substances. eliminate d) the smallest unit of a substance that exhibits all of the properties characteristic of that substance.