a coherent group of propositions formulated to explain a group of facts or phenomena in the natural world and repeatedly confirmed through experiment or observation: Right off the bat, you will need to use an equation that relates acceleration and time. In this case since the object's initial velocity, final velocity, and acceleration is given we use the formula: a=Δv/Δt. ( speed of light is 3x10 Hypothesis. Theory. Law. These scientific words get bandied about regularly, yet the general public usually gets their meaning wrong." A scientific theory is a well-substantiated explanation of some aspect of the natural world, based on a body of facts that have been repeatedly confirmed through observation and experiment. Such fact-supported theories are not "guesses" but reliable accounts of the real world. a) a supposition or a system of ideas intended to explain something, especially one based on general principles independent of the thing to be explained.

Or you can just do a google search for the phrase 'scientific theory' if you STILL think a scientific theory is akin to an educated guess and you will be hard pressed to fine anything that substantiates your thinking. The way that scientists use the word 'theory' is a little different than how it is commonly used in the lay public," said Jaime Tanner, a professor of biology at Marlboro College. "Most people use the word 'theory' to mean an idea or hunch that someone has, but in science the word 'theory' refers to the way that we interpret facts." a) a collection of propositions to illustrate the principles of a subject. <--- (physics is essentially applied math - as in we use math so this would be the definition that fits best in this case)

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