What is defined as a push or pull that causes an object to speed up or slow down

Describe the particles of all three phases of matter in the root beer float. (how are the particles arranged and moving? )

The characteristic of two different types of reactions are shown below. reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of and element. which statement is true about the atoms of the elements that participate in the two reactions? a: their identity changes in both reaction a and b. b: their identity changes in reaction a but not b. c: their identity changes in reaction b but not a. d: their identity remains the same.

Light waves are as they pass through the