1. Physics
• Physics has been studied for thousands of years but not until comparatively recently was our modern understand of motion established. • Two individuals who greatly contributed to this field were Galileo ... is important to specify the motion of an object as well as its speed because it is a vector quantity. • Using east, west, and etc. is not so effective in physics therefore we draw a coordinate axis to determine positives and negatives. • Velocity is composed of both magnitude and direction and it thus becomes a vector quantity but speed on the other ... ...
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